163998608

素因数分解:

$2^4\times {\mathrm{991}}^1\times {\mathrm{10343}}^1$

素因数の和:11342

約数の個数: 20

約数和(自身を含む): 318098688

約数和(自身を除く): 154100080

約数列:

[1, 2, 4, 8, 16, 991, 1982, 3964, 7928, 10343, 15856, 20686, 41372, 82744, 165488, 10249913, 20499826, 40999652, 81999304, 163998608]

約数ペア:

[(1, 163998608), (2, 81999304), (4, 40999652), (8, 20499826), (16, 10249913), (991, 165488), (1982, 82744), (3964, 41372), (7928, 20686), (10343, 15856)]