159455864

素因数分解:

$2^3\times {\mathrm{991}}^1\times {\mathrm{20113}}^1$

素因数の和:21110

約数の個数: 16

約数和(自身を含む): 299296320

約数和(自身を除く): 139840456

約数列:

[1, 2, 4, 8, 991, 1982, 3964, 7928, 20113, 40226, 80452, 160904, 19931983, 39863966, 79727932, 159455864]

約数ペア:

[(1, 159455864), (2, 79727932), (4, 39863966), (8, 19931983), (991, 160904), (1982, 80452), (3964, 40226), (7928, 20113)]