3947632

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{18979}}^1$

素因数の和:19000

約数の個数: 20

約数和(自身を含む): 8237320

約数和(自身を除く): 4289688

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 18979, 37958, 75916, 151832, 246727, 303664, 493454, 986908, 1973816, 3947632]

約数ペア:

[(1, 3947632), (2, 1973816), (4, 986908), (8, 493454), (13, 303664), (16, 246727), (26, 151832), (52, 75916), (104, 37958), (208, 18979)]