128980826

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{215687}}^1$

素因数の和:215725

約数の個数: 16

約数和(自身を含む): 217413504

約数和(自身を除く): 88432678

約数列:

[1, 2, 13, 23, 26, 46, 299, 598, 215687, 431374, 2803931, 4960801, 5607862, 9921602, 64490413, 128980826]

約数ペア:

[(1, 128980826), (2, 64490413), (13, 9921602), (23, 5607862), (26, 4960801), (46, 2803931), (299, 431374), (598, 215687)]