644443002

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{251}}^1$

素因数の和:385

約数の個数: 144

約数和(自身を含む): 1694032704

約数和(自身を除く): 1049589702

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 41, 42, 49, 63, 71, 82, 98, 123, 126, 142, 147, 213, 246, 251, 287, 294, 369, 426, 441, 497, 502, 574, 639, 738, 753, 861, 882, 994, 1278, 1491, 1506, 1722, 1757, 2009, 2259, 2583, 2911, 2982, 3479, 3514, 4018, 4473, 4518, 5166, 5271, 5822, 6027, 6958, 8733, 8946, 10291, 10437, 10542, 12054, 12299, 15813, 17466, 17821, 18081, 20377, 20582, 20874, 24598, 26199, 30873, 31311, 31626, 35642, 36162, 36897, 40754, 52398, 53463, 61131, 61746, 62622, 72037, 73794, 92619, 106926, 110691, 122262, 124747, 142639, 144074, 160389, 183393, 185238, 216111, 221382, 249494, 285278, 320778, 366786, 374241, 427917, 432222, 504259, 648333, 730661, 748482, 855834, 873229, 1008518, 1122723, 1283751, 1296666, 1461322, 1512777, 1746458, 2191983, 2245446, 2567502, 2619687, 3025554, 4383966, 4538331, 5114627, 5239374, 6575949, 7859061, 9076662, 10229254, 13151898, 15343881, 15718122, 30687762, 35802389, 46031643, 71604778, 92063286, 107407167, 214814334, 322221501, 644443002]

約数ペア:

[(1, 644443002), (2, 322221501), (3, 214814334), (6, 107407167), (7, 92063286), (9, 71604778), (14, 46031643), (18, 35802389), (21, 30687762), (41, 15718122), (42, 15343881), (49, 13151898), (63, 10229254), (71, 9076662), (82, 7859061), (98, 6575949), (123, 5239374), (126, 5114627), (142, 4538331), (147, 4383966), (213, 3025554), (246, 2619687), (251, 2567502), (287, 2245446), (294, 2191983), (369, 1746458), (426, 1512777), (441, 1461322), (497, 1296666), (502, 1283751), (574, 1122723), (639, 1008518), (738, 873229), (753, 855834), (861, 748482), (882, 730661), (994, 648333), (1278, 504259), (1491, 432222), (1506, 427917), (1722, 374241), (1757, 366786), (2009, 320778), (2259, 285278), (2583, 249494), (2911, 221382), (2982, 216111), (3479, 185238), (3514, 183393), (4018, 160389), (4473, 144074), (4518, 142639), (5166, 124747), (5271, 122262), (5822, 110691), (6027, 106926), (6958, 92619), (8733, 73794), (8946, 72037), (10291, 62622), (10437, 61746), (10542, 61131), (12054, 53463), (12299, 52398), (15813, 40754), (17466, 36897), (17821, 36162), (18081, 35642), (20377, 31626), (20582, 31311), (20874, 30873), (24598, 26199)]