72785830

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{18061}}^1$

素因数の和:18112

約数の個数: 32

約数和(自身を含む): 145651968

約数和(自身を除く): 72866138

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 18061, 36122, 90305, 180610, 234793, 469586, 559891, 1119782, 1173965, 2347930, 2799455, 5598910, 7278583, 14557166, 36392915, 72785830]

約数ペア:

[(1, 72785830), (2, 36392915), (5, 14557166), (10, 7278583), (13, 5598910), (26, 2799455), (31, 2347930), (62, 1173965), (65, 1119782), (130, 559891), (155, 469586), (310, 234793), (403, 180610), (806, 90305), (2015, 36122), (4030, 18061)]