388173896

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{271}}^1\times {\mathrm{397}}^1$

素因数の和:726

約数の個数: 64

約数和(自身を含む): 818415360

約数和(自身を除く): 430241464

約数列:

[1, 2, 4, 8, 11, 22, 41, 44, 82, 88, 164, 271, 328, 397, 451, 542, 794, 902, 1084, 1588, 1804, 2168, 2981, 3176, 3608, 4367, 5962, 8734, 11111, 11924, 16277, 17468, 22222, 23848, 32554, 34936, 44444, 65108, 88888, 107587, 122221, 130216, 179047, 215174, 244442, 358094, 430348, 488884, 716188, 860696, 977768, 1183457, 1432376, 2366914, 4411067, 4733828, 8822134, 9467656, 17644268, 35288536, 48521737, 97043474, 194086948, 388173896]

約数ペア:

[(1, 388173896), (2, 194086948), (4, 97043474), (8, 48521737), (11, 35288536), (22, 17644268), (41, 9467656), (44, 8822134), (82, 4733828), (88, 4411067), (164, 2366914), (271, 1432376), (328, 1183457), (397, 977768), (451, 860696), (542, 716188), (794, 488884), (902, 430348), (1084, 358094), (1588, 244442), (1804, 215174), (2168, 179047), (2981, 130216), (3176, 122221), (3608, 107587), (4367, 88888), (5962, 65108), (8734, 44444), (11111, 34936), (11924, 32554), (16277, 23848), (17468, 22222)]