128581624

素因数分解:

$2^3\times {\mathrm{137}}^1\times {\mathrm{117319}}^1$

素因数の和:117462

約数の個数: 16

約数和(自身を含む): 242852400

約数和(自身を除く): 114270776

約数列:

[1, 2, 4, 8, 137, 274, 548, 1096, 117319, 234638, 469276, 938552, 16072703, 32145406, 64290812, 128581624]

約数ペア:

[(1, 128581624), (2, 64290812), (4, 32145406), (8, 16072703), (137, 938552), (274, 469276), (548, 234638), (1096, 117319)]