64903696

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1493}}^1$

素因数の和:1544

約数の個数: 80

約数和(自身を含む): 155615040

約数和(自身を除く): 90711344

約数列:

[1, 2, 4, 8, 11, 13, 16, 19, 22, 26, 38, 44, 52, 76, 88, 104, 143, 152, 176, 208, 209, 247, 286, 304, 418, 494, 572, 836, 988, 1144, 1493, 1672, 1976, 2288, 2717, 2986, 3344, 3952, 5434, 5972, 10868, 11944, 16423, 19409, 21736, 23888, 28367, 32846, 38818, 43472, 56734, 65692, 77636, 113468, 131384, 155272, 213499, 226936, 262768, 310544, 312037, 368771, 426998, 453872, 624074, 737542, 853996, 1248148, 1475084, 1707992, 2496296, 2950168, 3415984, 4056481, 4992592, 5900336, 8112962, 16225924, 32451848, 64903696]

約数ペア:

[(1, 64903696), (2, 32451848), (4, 16225924), (8, 8112962), (11, 5900336), (13, 4992592), (16, 4056481), (19, 3415984), (22, 2950168), (26, 2496296), (38, 1707992), (44, 1475084), (52, 1248148), (76, 853996), (88, 737542), (104, 624074), (143, 453872), (152, 426998), (176, 368771), (208, 312037), (209, 310544), (247, 262768), (286, 226936), (304, 213499), (418, 155272), (494, 131384), (572, 113468), (836, 77636), (988, 65692), (1144, 56734), (1493, 43472), (1672, 38818), (1976, 32846), (2288, 28367), (2717, 23888), (2986, 21736), (3344, 19409), (3952, 16423), (5434, 11944), (5972, 10868)]