156978170

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{257}}^1\times {\mathrm{3593}}^1$

素因数の和:3874

約数の個数: 32

約数和(自身を含む): 300429648

約数和(自身を除く): 143451478

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 257, 514, 1285, 2570, 3593, 4369, 7186, 8738, 17965, 21845, 35930, 43690, 61081, 122162, 305405, 610810, 923401, 1846802, 4617005, 9234010, 15697817, 31395634, 78489085, 156978170]

約数ペア:

[(1, 156978170), (2, 78489085), (5, 31395634), (10, 15697817), (17, 9234010), (34, 4617005), (85, 1846802), (170, 923401), (257, 610810), (514, 305405), (1285, 122162), (2570, 61081), (3593, 43690), (4369, 35930), (7186, 21845), (8738, 17965)]