289719385

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{127}}^1\times {\mathrm{239}}^1$

素因数の和:477

約数の個数: 32

約数和(自身を含む): 371589120

約数和(自身を除く): 81869735

約数列:

[1, 5, 23, 83, 115, 127, 239, 415, 635, 1195, 1909, 2921, 5497, 9545, 10541, 14605, 19837, 27485, 30353, 52705, 99185, 151765, 242443, 456251, 698119, 1212215, 2281255, 2519299, 3490595, 12596495, 57943877, 289719385]

約数ペア:

[(1, 289719385), (5, 57943877), (23, 12596495), (83, 3490595), (115, 2519299), (127, 2281255), (239, 1212215), (415, 698119), (635, 456251), (1195, 242443), (1909, 151765), (2921, 99185), (5497, 52705), (9545, 30353), (10541, 27485), (14605, 19837)]