1978320318

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{191}}^1\times {\mathrm{241}}^1$

素因数の和:498

約数の個数: 128

約数和(自身を含む): 4683571200

約数和(自身を除く): 2705250882

約数列:

[1, 2, 3, 6, 13, 19, 26, 29, 38, 39, 57, 58, 78, 87, 114, 174, 191, 241, 247, 377, 382, 482, 494, 551, 573, 723, 741, 754, 1102, 1131, 1146, 1446, 1482, 1653, 2262, 2483, 3133, 3306, 3629, 4579, 4966, 5539, 6266, 6989, 7163, 7258, 7449, 9158, 9399, 10887, 11078, 13737, 13978, 14326, 14898, 16617, 18798, 20967, 21489, 21774, 27474, 33234, 41934, 42978, 46031, 47177, 59527, 72007, 90857, 92062, 94354, 105241, 119054, 132791, 138093, 141531, 144014, 178581, 181714, 210482, 216021, 265582, 272571, 276186, 283062, 315723, 357162, 398373, 432042, 545142, 598403, 631446, 796746, 874589, 1196806, 1334899, 1368133, 1726283, 1749178, 1795209, 2623767, 2669798, 2736266, 3452566, 3590418, 4004697, 4104399, 5178849, 5247534, 8009394, 8208798, 10357698, 11369657, 17353687, 22739314, 25363081, 34108971, 34707374, 50726162, 52061061, 68217942, 76089243, 104122122, 152178486, 329720053, 659440106, 989160159, 1978320318]

約数ペア:

[(1, 1978320318), (2, 989160159), (3, 659440106), (6, 329720053), (13, 152178486), (19, 104122122), (26, 76089243), (29, 68217942), (38, 52061061), (39, 50726162), (57, 34707374), (58, 34108971), (78, 25363081), (87, 22739314), (114, 17353687), (174, 11369657), (191, 10357698), (241, 8208798), (247, 8009394), (377, 5247534), (382, 5178849), (482, 4104399), (494, 4004697), (551, 3590418), (573, 3452566), (723, 2736266), (741, 2669798), (754, 2623767), (1102, 1795209), (1131, 1749178), (1146, 1726283), (1446, 1368133), (1482, 1334899), (1653, 1196806), (2262, 874589), (2483, 796746), (3133, 631446), (3306, 598403), (3629, 545142), (4579, 432042), (4966, 398373), (5539, 357162), (6266, 315723), (6989, 283062), (7163, 276186), (7258, 272571), (7449, 265582), (9158, 216021), (9399, 210482), (10887, 181714), (11078, 178581), (13737, 144014), (13978, 141531), (14326, 138093), (14898, 132791), (16617, 119054), (18798, 105241), (20967, 94354), (21489, 92062), (21774, 90857), (27474, 72007), (33234, 59527), (41934, 47177), (42978, 46031)]