129640912

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{541}}^1\times {\mathrm{881}}^1$

素因数の和:1447

約数の個数: 40

約数和(自身を含む): 266748552

約数和(自身を除く): 137107640

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 541, 881, 1082, 1762, 2164, 3524, 4328, 7048, 8656, 9197, 14096, 14977, 18394, 29954, 36788, 59908, 73576, 119816, 147152, 239632, 476621, 953242, 1906484, 3812968, 7625936, 8102557, 16205114, 32410228, 64820456, 129640912]

約数ペア:

[(1, 129640912), (2, 64820456), (4, 32410228), (8, 16205114), (16, 8102557), (17, 7625936), (34, 3812968), (68, 1906484), (136, 953242), (272, 476621), (541, 239632), (881, 147152), (1082, 119816), (1762, 73576), (2164, 59908), (3524, 36788), (4328, 29954), (7048, 18394), (8656, 14977), (9197, 14096)]