81447392

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{195787}}^1$

素因数の和:195810

約数の個数: 24

約数和(自身を含む): 172685016

約数和(自身を除く): 91237624

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 195787, 391574, 783148, 1566296, 2545231, 3132592, 5090462, 6265184, 10180924, 20361848, 40723696, 81447392]

約数ペア:

[(1, 81447392), (2, 40723696), (4, 20361848), (8, 10180924), (13, 6265184), (16, 5090462), (26, 3132592), (32, 2545231), (52, 1566296), (104, 783148), (208, 391574), (416, 195787)]