218978079

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{823}}^1\times {\mathrm{2861}}^1$

素因数の和:3718

約数の個数: 16

約数和(自身を含む): 301860864

約数和(自身を除く): 82882785

約数列:

[1, 3, 31, 93, 823, 2469, 2861, 8583, 25513, 76539, 88691, 266073, 2354603, 7063809, 72992693, 218978079]

約数ペア:

[(1, 218978079), (3, 72992693), (31, 7063809), (93, 2354603), (823, 266073), (2469, 88691), (2861, 76539), (8583, 25513)]