28113410

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{12721}}^1$

素因数の和:12758

約数の個数: 32

約数和(自身を含む): 57706992

約数和(自身を除く): 29593582

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 442, 1105, 2210, 12721, 25442, 63605, 127210, 165373, 216257, 330746, 432514, 826865, 1081285, 1653730, 2162570, 2811341, 5622682, 14056705, 28113410]

約数ペア:

[(1, 28113410), (2, 14056705), (5, 5622682), (10, 2811341), (13, 2162570), (17, 1653730), (26, 1081285), (34, 826865), (65, 432514), (85, 330746), (130, 216257), (170, 165373), (221, 127210), (442, 63605), (1105, 25442), (2210, 12721)]