11651915

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{151}}^1$

素因数の和:251

約数の個数: 32

約数和(自身を含む): 16284672

約数和(自身を除く): 4632757

約数列:

[1, 5, 11, 23, 55, 61, 115, 151, 253, 305, 671, 755, 1265, 1403, 1661, 3355, 3473, 7015, 8305, 9211, 15433, 17365, 38203, 46055, 77165, 101321, 191015, 211853, 506605, 1059265, 2330383, 11651915]

約数ペア:

[(1, 11651915), (5, 2330383), (11, 1059265), (23, 506605), (55, 211853), (61, 191015), (115, 101321), (151, 77165), (253, 46055), (305, 38203), (671, 17365), (755, 15433), (1265, 9211), (1403, 8305), (1661, 7015), (3355, 3473)]