978012756

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{61}}^2\times {\mathrm{149}}^1$

素因数の和:295

約数の個数: 162

約数和(自身を含む): 2943363150

約数和(自身を除く): 1965350394

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 61, 63, 84, 98, 122, 126, 147, 149, 183, 196, 244, 252, 294, 298, 366, 427, 441, 447, 549, 588, 596, 732, 854, 882, 894, 1043, 1098, 1281, 1341, 1708, 1764, 1788, 2086, 2196, 2562, 2682, 2989, 3129, 3721, 3843, 4172, 5124, 5364, 5978, 6258, 7301, 7442, 7686, 8967, 9089, 9387, 11163, 11956, 12516, 14602, 14884, 15372, 17934, 18178, 18774, 21903, 22326, 26047, 26901, 27267, 29204, 33489, 35868, 36356, 37548, 43806, 44652, 52094, 53802, 54534, 63623, 65709, 66978, 78141, 81801, 87612, 104188, 107604, 109068, 127246, 131418, 133956, 156282, 163602, 182329, 190869, 234423, 254492, 262836, 312564, 327204, 364658, 381738, 445361, 468846, 546987, 554429, 572607, 729316, 763476, 890722, 937692, 1093974, 1108858, 1145214, 1336083, 1640961, 1663287, 1781444, 2187948, 2217716, 2290428, 2672166, 3281922, 3326574, 3881003, 4008249, 4989861, 5344332, 6563844, 6653148, 7762006, 8016498, 9979722, 11643009, 15524012, 16032996, 19959444, 23286018, 27167021, 34929027, 46572036, 54334042, 69858054, 81501063, 108668084, 139716108, 163002126, 244503189, 326004252, 489006378, 978012756]

約数ペア:

[(1, 978012756), (2, 489006378), (3, 326004252), (4, 244503189), (6, 163002126), (7, 139716108), (9, 108668084), (12, 81501063), (14, 69858054), (18, 54334042), (21, 46572036), (28, 34929027), (36, 27167021), (42, 23286018), (49, 19959444), (61, 16032996), (63, 15524012), (84, 11643009), (98, 9979722), (122, 8016498), (126, 7762006), (147, 6653148), (149, 6563844), (183, 5344332), (196, 4989861), (244, 4008249), (252, 3881003), (294, 3326574), (298, 3281922), (366, 2672166), (427, 2290428), (441, 2217716), (447, 2187948), (549, 1781444), (588, 1663287), (596, 1640961), (732, 1336083), (854, 1145214), (882, 1108858), (894, 1093974), (1043, 937692), (1098, 890722), (1281, 763476), (1341, 729316), (1708, 572607), (1764, 554429), (1788, 546987), (2086, 468846), (2196, 445361), (2562, 381738), (2682, 364658), (2989, 327204), (3129, 312564), (3721, 262836), (3843, 254492), (4172, 234423), (5124, 190869), (5364, 182329), (5978, 163602), (6258, 156282), (7301, 133956), (7442, 131418), (7686, 127246), (8967, 109068), (9089, 107604), (9387, 104188), (11163, 87612), (11956, 81801), (12516, 78141), (14602, 66978), (14884, 65709), (15372, 63623), (17934, 54534), (18178, 53802), (18774, 52094), (21903, 44652), (22326, 43806), (26047, 37548), (26901, 36356), (27267, 35868), (29204, 33489)]