72691216

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{349477}}^1$

素因数の和:349498

約数の個数: 20

約数和(自身を含む): 151673452

約数和(自身を除く): 78982236

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 349477, 698954, 1397908, 2795816, 4543201, 5591632, 9086402, 18172804, 36345608, 72691216]

約数ペア:

[(1, 72691216), (2, 36345608), (4, 18172804), (8, 9086402), (13, 5591632), (16, 4543201), (26, 2795816), (52, 1397908), (104, 698954), (208, 349477)]