128207788

素因数分解:

$2^2\times {\mathrm{251}}^1\times {\mathrm{277}}^1\times {\mathrm{461}}^1$

素因数の和:993

約数の個数: 24

約数和(自身を含む): 226561104

約数和(自身を除く): 98353316

約数列:

[1, 2, 4, 251, 277, 461, 502, 554, 922, 1004, 1108, 1844, 69527, 115711, 127697, 139054, 231422, 255394, 278108, 462844, 510788, 32051947, 64103894, 128207788]

約数ペア:

[(1, 128207788), (2, 64103894), (4, 32051947), (251, 510788), (277, 462844), (461, 278108), (502, 255394), (554, 231422), (922, 139054), (1004, 127697), (1108, 115711), (1844, 69527)]