81115432

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{677}}^1\times {\mathrm{881}}^1$

素因数の和:1581

約数の個数: 32

約数和(自身を含む): 161458920

約数和(自身を除く): 80343488

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 677, 881, 1354, 1762, 2708, 3524, 5416, 7048, 11509, 14977, 23018, 29954, 46036, 59908, 92072, 119816, 596437, 1192874, 2385748, 4771496, 10139429, 20278858, 40557716, 81115432]

約数ペア:

[(1, 81115432), (2, 40557716), (4, 20278858), (8, 10139429), (17, 4771496), (34, 2385748), (68, 1192874), (136, 596437), (677, 119816), (881, 92072), (1354, 59908), (1762, 46036), (2708, 29954), (3524, 23018), (5416, 14977), (7048, 11509)]