78468515

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{331}}^1\times {\mathrm{2789}}^1$

素因数の和:3142

約数の個数: 16

約数和(自身を含む): 100038240

約数和(自身を除く): 21569725

約数列:

[1, 5, 17, 85, 331, 1655, 2789, 5627, 13945, 28135, 47413, 237065, 923159, 4615795, 15693703, 78468515]

約数ペア:

[(1, 78468515), (5, 15693703), (17, 4615795), (85, 923159), (331, 237065), (1655, 47413), (2789, 28135), (5627, 13945)]