74721608

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{431}}^1\times {\mathrm{1667}}^1$

素因数の和:2117

約数の個数: 32

約数和(自身を含む): 151320960

約数和(自身を除く): 76599352

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 431, 862, 1667, 1724, 3334, 3448, 5603, 6668, 11206, 13336, 21671, 22412, 43342, 44824, 86684, 173368, 718477, 1436954, 2873908, 5747816, 9340201, 18680402, 37360804, 74721608]

約数ペア:

[(1, 74721608), (2, 37360804), (4, 18680402), (8, 9340201), (13, 5747816), (26, 2873908), (52, 1436954), (104, 718477), (431, 173368), (862, 86684), (1667, 44824), (1724, 43342), (3334, 22412), (3448, 21671), (5603, 13336), (6668, 11206)]