161001505

素因数分解:

$5^1\times 7^2\times {\mathrm{257}}^1\times {\mathrm{2557}}^1$

素因数の和:2833

約数の個数: 24

約数和(自身を含む): 225707688

約数和(自身を除く): 64706183

約数列:

[1, 5, 7, 35, 49, 245, 257, 1285, 1799, 2557, 8995, 12593, 12785, 17899, 62965, 89495, 125293, 626465, 657149, 3285745, 4600043, 23000215, 32200301, 161001505]

約数ペア:

[(1, 161001505), (5, 32200301), (7, 23000215), (35, 4600043), (49, 3285745), (245, 657149), (257, 626465), (1285, 125293), (1799, 89495), (2557, 62965), (8995, 17899), (12593, 12785)]