647217504

素因数分解:

$2^5\times 3^2\times {\mathrm{31}}^1\times {\mathrm{72493}}^1$

素因数の和:72540

約数の個数: 72

約数和(自身を含む): 1899922752

約数和(自身を除く): 1252705248

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 32, 36, 48, 62, 72, 93, 96, 124, 144, 186, 248, 279, 288, 372, 496, 558, 744, 992, 1116, 1488, 2232, 2976, 4464, 8928, 72493, 144986, 217479, 289972, 434958, 579944, 652437, 869916, 1159888, 1304874, 1739832, 2247283, 2319776, 2609748, 3479664, 4494566, 5219496, 6741849, 6959328, 8989132, 10438992, 13483698, 17978264, 20225547, 20877984, 26967396, 35956528, 40451094, 53934792, 71913056, 80902188, 107869584, 161804376, 215739168, 323608752, 647217504]

約数ペア:

[(1, 647217504), (2, 323608752), (3, 215739168), (4, 161804376), (6, 107869584), (8, 80902188), (9, 71913056), (12, 53934792), (16, 40451094), (18, 35956528), (24, 26967396), (31, 20877984), (32, 20225547), (36, 17978264), (48, 13483698), (62, 10438992), (72, 8989132), (93, 6959328), (96, 6741849), (124, 5219496), (144, 4494566), (186, 3479664), (248, 2609748), (279, 2319776), (288, 2247283), (372, 1739832), (496, 1304874), (558, 1159888), (744, 869916), (992, 652437), (1116, 579944), (1488, 434958), (2232, 289972), (2976, 217479), (4464, 144986), (8928, 72493)]