90902108

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1\times {\mathrm{167}}^1$

素因数の和:410

約数の個数: 48

約数和(自身を含む): 177811200

約数和(自身を除く): 86909092

約数列:

[1, 2, 4, 11, 22, 44, 89, 139, 167, 178, 278, 334, 356, 556, 668, 979, 1529, 1837, 1958, 3058, 3674, 3916, 6116, 7348, 12371, 14863, 23213, 24742, 29726, 46426, 49484, 59452, 92852, 136081, 163493, 255343, 272162, 326986, 510686, 544324, 653972, 1021372, 2065957, 4131914, 8263828, 22725527, 45451054, 90902108]

約数ペア:

[(1, 90902108), (2, 45451054), (4, 22725527), (11, 8263828), (22, 4131914), (44, 2065957), (89, 1021372), (139, 653972), (167, 544324), (178, 510686), (278, 326986), (334, 272162), (356, 255343), (556, 163493), (668, 136081), (979, 92852), (1529, 59452), (1837, 49484), (1958, 46426), (3058, 29726), (3674, 24742), (3916, 23213), (6116, 14863), (7348, 12371)]