164291708

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{281}}^1$

素因数の和:475

約数の個数: 72

約数和(自身を含む): 355556880

約数和(自身を除く): 191265172

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 49, 76, 98, 133, 157, 196, 266, 281, 314, 532, 562, 628, 931, 1099, 1124, 1862, 1967, 2198, 2983, 3724, 3934, 4396, 5339, 5966, 7693, 7868, 10678, 11932, 13769, 15386, 20881, 21356, 27538, 30772, 37373, 41762, 44117, 55076, 74746, 83524, 88234, 146167, 149492, 176468, 261611, 292334, 308819, 523222, 584668, 617638, 838223, 1046444, 1235276, 1676446, 2161733, 3352892, 4323466, 5867561, 8646932, 11735122, 23470244, 41072927, 82145854, 164291708]

約数ペア:

[(1, 164291708), (2, 82145854), (4, 41072927), (7, 23470244), (14, 11735122), (19, 8646932), (28, 5867561), (38, 4323466), (49, 3352892), (76, 2161733), (98, 1676446), (133, 1235276), (157, 1046444), (196, 838223), (266, 617638), (281, 584668), (314, 523222), (532, 308819), (562, 292334), (628, 261611), (931, 176468), (1099, 149492), (1124, 146167), (1862, 88234), (1967, 83524), (2198, 74746), (2983, 55076), (3724, 44117), (3934, 41762), (4396, 37373), (5339, 30772), (5966, 27538), (7693, 21356), (7868, 20881), (10678, 15386), (11932, 13769)]