65687728

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1$

素因数の和:230

約数の個数: 80

約数和(自身を含む): 141981984

約数和(自身を除く): 76294256

約数列:

[1, 2, 4, 8, 16, 17, 34, 37, 61, 68, 74, 107, 122, 136, 148, 214, 244, 272, 296, 428, 488, 592, 629, 856, 976, 1037, 1258, 1712, 1819, 2074, 2257, 2516, 3638, 3959, 4148, 4514, 5032, 6527, 7276, 7918, 8296, 9028, 10064, 13054, 14552, 15836, 16592, 18056, 26108, 29104, 31672, 36112, 38369, 52216, 63344, 67303, 76738, 104432, 110959, 134606, 153476, 221918, 241499, 269212, 306952, 443836, 482998, 538424, 613904, 887672, 965996, 1076848, 1775344, 1931992, 3863984, 4105483, 8210966, 16421932, 32843864, 65687728]

約数ペア:

[(1, 65687728), (2, 32843864), (4, 16421932), (8, 8210966), (16, 4105483), (17, 3863984), (34, 1931992), (37, 1775344), (61, 1076848), (68, 965996), (74, 887672), (107, 613904), (122, 538424), (136, 482998), (148, 443836), (214, 306952), (244, 269212), (272, 241499), (296, 221918), (428, 153476), (488, 134606), (592, 110959), (629, 104432), (856, 76738), (976, 67303), (1037, 63344), (1258, 52216), (1712, 38369), (1819, 36112), (2074, 31672), (2257, 29104), (2516, 26108), (3638, 18056), (3959, 16592), (4148, 15836), (4514, 14552), (5032, 13054), (6527, 10064), (7276, 9028), (7918, 8296)]