81245608

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{2153}}^1$

素因数の和:2301

約数の個数: 32

約数和(自身を含む): 157026600

約数和(自身を除く): 75780992

約数列:

[1, 2, 4, 8, 53, 89, 106, 178, 212, 356, 424, 712, 2153, 4306, 4717, 8612, 9434, 17224, 18868, 37736, 114109, 191617, 228218, 383234, 456436, 766468, 912872, 1532936, 10155701, 20311402, 40622804, 81245608]

約数ペア:

[(1, 81245608), (2, 40622804), (4, 20311402), (8, 10155701), (53, 1532936), (89, 912872), (106, 766468), (178, 456436), (212, 383234), (356, 228218), (424, 191617), (712, 114109), (2153, 37736), (4306, 18868), (4717, 17224), (8612, 9434)]