15251990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{5101}}^1$

素因数の和:5144

約数の個数: 32

約数和(自身を含む): 30856896

約数和(自身を除く): 15604906

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 65, 115, 130, 230, 299, 598, 1495, 2990, 5101, 10202, 25505, 51010, 66313, 117323, 132626, 234646, 331565, 586615, 663130, 1173230, 1525199, 3050398, 7625995, 15251990]

約数ペア:

[(1, 15251990), (2, 7625995), (5, 3050398), (10, 1525199), (13, 1173230), (23, 663130), (26, 586615), (46, 331565), (65, 234646), (115, 132626), (130, 117323), (230, 66313), (299, 51010), (598, 25505), (1495, 10202), (2990, 5101)]