253340984

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{4421}}^1$

素因数の和:4488

約数の個数: 64

約数和(自身を含む): 557172000

約数和(自身を除く): 303831016

約数列:

[1, 2, 4, 8, 13, 19, 26, 29, 38, 52, 58, 76, 104, 116, 152, 232, 247, 377, 494, 551, 754, 988, 1102, 1508, 1976, 2204, 3016, 4408, 4421, 7163, 8842, 14326, 17684, 28652, 35368, 57304, 57473, 83999, 114946, 128209, 167998, 229892, 256418, 335996, 459784, 512836, 671992, 1025672, 1091987, 1666717, 2183974, 2435971, 3333434, 4367948, 4871942, 6666868, 8735896, 9743884, 13333736, 19487768, 31667623, 63335246, 126670492, 253340984]

約数ペア:

[(1, 253340984), (2, 126670492), (4, 63335246), (8, 31667623), (13, 19487768), (19, 13333736), (26, 9743884), (29, 8735896), (38, 6666868), (52, 4871942), (58, 4367948), (76, 3333434), (104, 2435971), (116, 2183974), (152, 1666717), (232, 1091987), (247, 1025672), (377, 671992), (494, 512836), (551, 459784), (754, 335996), (988, 256418), (1102, 229892), (1508, 167998), (1976, 128209), (2204, 114946), (3016, 83999), (4408, 57473), (4421, 57304), (7163, 35368), (8842, 28652), (14326, 17684)]