128509291256

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{434153011}}^1$

素因数の和:434153054

約数の個数: 16

約数和(自身を含む): 247467216840

約数和(自身を除く): 118957925584

約数列:

[1, 2, 4, 8, 37, 74, 148, 296, 434153011, 868306022, 1736612044, 3473224088, 16063661407, 32127322814, 64254645628, 128509291256]

約数ペア:

[(1, 128509291256), (2, 64254645628), (4, 32127322814), (8, 16063661407), (37, 3473224088), (74, 1736612044), (148, 868306022), (296, 434153011)]