64948996

素因数分解:

$2^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1\times {\mathrm{389}}^1$

素因数の和:556

約数の個数: 48

約数和(自身を含む): 133660800

約数和(自身を除く): 68711804

約数列:

[1, 2, 4, 7, 14, 28, 67, 89, 134, 178, 268, 356, 389, 469, 623, 778, 938, 1246, 1556, 1876, 2492, 2723, 5446, 5963, 10892, 11926, 23852, 26063, 34621, 41741, 52126, 69242, 83482, 104252, 138484, 166964, 182441, 242347, 364882, 484694, 729764, 969388, 2319607, 4639214, 9278428, 16237249, 32474498, 64948996]

約数ペア:

[(1, 64948996), (2, 32474498), (4, 16237249), (7, 9278428), (14, 4639214), (28, 2319607), (67, 969388), (89, 729764), (134, 484694), (178, 364882), (268, 242347), (356, 182441), (389, 166964), (469, 138484), (623, 104252), (778, 83482), (938, 69242), (1246, 52126), (1556, 41741), (1876, 34621), (2492, 26063), (2723, 23852), (5446, 11926), (5963, 10892)]