15703985

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{101}}^1\times {\mathrm{257}}^1$

素因数の和:385

約数の個数: 24

約数和(自身を含む): 21000168

約数和(自身を除く): 5296183

約数列:

[1, 5, 11, 55, 101, 121, 257, 505, 605, 1111, 1285, 2827, 5555, 12221, 14135, 25957, 31097, 61105, 129785, 155485, 285527, 1427635, 3140797, 15703985]

約数ペア:

[(1, 15703985), (5, 3140797), (11, 1427635), (55, 285527), (101, 155485), (121, 129785), (257, 61105), (505, 31097), (605, 25957), (1111, 14135), (1285, 12221), (2827, 5555)]