81925064

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{25411}}^1$

素因数の和:25461

約数の個数: 32

約数和(自身を含む): 170768640

約数和(自身を除く): 88843576

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 104, 124, 248, 403, 806, 1612, 3224, 25411, 50822, 101644, 203288, 330343, 660686, 787741, 1321372, 1575482, 2642744, 3150964, 6301928, 10240633, 20481266, 40962532, 81925064]

約数ペア:

[(1, 81925064), (2, 40962532), (4, 20481266), (8, 10240633), (13, 6301928), (26, 3150964), (31, 2642744), (52, 1575482), (62, 1321372), (104, 787741), (124, 660686), (248, 330343), (403, 203288), (806, 101644), (1612, 50822), (3224, 25411)]