680915

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1$

素因数の和:250

約数の個数: 16

約数和(自身を含む): 884736

約数和(自身を除く): 203821

約数列:

[1, 5, 23, 31, 115, 155, 191, 713, 955, 3565, 4393, 5921, 21965, 29605, 136183, 680915]

約数ペア:

[(1, 680915), (5, 136183), (23, 29605), (31, 21965), (115, 5921), (155, 4393), (191, 3565), (713, 955)]