164489312

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{395407}}^1$

素因数の和:395430

約数の個数: 24

約数和(自身を含む): 348749856

約数和(自身を除く): 184260544

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 395407, 790814, 1581628, 3163256, 5140291, 6326512, 10280582, 12653024, 20561164, 41122328, 82244656, 164489312]

約数ペア:

[(1, 164489312), (2, 82244656), (4, 41122328), (8, 20561164), (13, 12653024), (16, 10280582), (26, 6326512), (32, 5140291), (52, 3163256), (104, 1581628), (208, 790814), (416, 395407)]