81880318

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{53377}}^1$

素因数の和:53451

約数の個数: 16

約数和(自身を含む): 134512560

約数和(自身を除く): 52632242

約数列:

[1, 2, 13, 26, 59, 118, 767, 1534, 53377, 106754, 693901, 1387802, 3149243, 6298486, 40940159, 81880318]

約数ペア:

[(1, 81880318), (2, 40940159), (13, 6298486), (26, 3149243), (59, 1387802), (118, 693901), (767, 106754), (1534, 53377)]