72639208

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{221461}}^1$

素因数の和:221508

約数の個数: 16

約数和(自身を含む): 139521060

約数和(自身を除く): 66881852

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 221461, 442922, 885844, 1771688, 9079901, 18159802, 36319604, 72639208]

約数ペア:

[(1, 72639208), (2, 36319604), (4, 18159802), (8, 9079901), (41, 1771688), (82, 885844), (164, 442922), (328, 221461)]