128977880056

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{520072097}}^1$

素因数の和:520072134

約数の個数: 16

約数和(自身を含む): 249634607040

約数和(自身を除く): 120656726984

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 520072097, 1040144194, 2080288388, 4160576776, 16122235007, 32244470014, 64488940028, 128977880056]

約数ペア:

[(1, 128977880056), (2, 64488940028), (4, 32244470014), (8, 16122235007), (31, 4160576776), (62, 2080288388), (124, 1040144194), (248, 520072097)]