15997555

素因数分解:

$5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:259

約数の個数: 32

約数和(自身を含む): 22855680

約数和(自身を除く): 6858125

約数列:

[1, 5, 7, 35, 59, 61, 127, 295, 305, 413, 427, 635, 889, 2065, 2135, 3599, 4445, 7493, 7747, 17995, 25193, 37465, 38735, 52451, 54229, 125965, 262255, 271145, 457073, 2285365, 3199511, 15997555]

約数ペア:

[(1, 15997555), (5, 3199511), (7, 2285365), (35, 457073), (59, 271145), (61, 262255), (127, 125965), (295, 54229), (305, 52451), (413, 38735), (427, 37465), (635, 25193), (889, 17995), (2065, 7747), (2135, 7493), (3599, 4445)]