1638891457538

素因数分解:

$2^1\times {\mathrm{113}}^1\times {\mathrm{251}}^1\times {\mathrm{28891363}}^1$

素因数の和:28891729

約数の個数: 16

約数和(自身を含む): 2489973314976

約数和(自身を除く): 851081857438

約数列:

[1, 2, 113, 226, 251, 502, 28363, 56726, 28891363, 57782726, 3264724019, 6529448038, 7251732113, 14503464226, 819445728769, 1638891457538]

約数ペア:

[(1, 1638891457538), (2, 819445728769), (113, 14503464226), (226, 7251732113), (251, 6529448038), (502, 3264724019), (28363, 57782726), (56726, 28891363)]