28356770

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{659}}^1$

素因数の和:1010

約数の個数: 32

約数和(自身を含む): 55218240

約数和(自身を除く): 26861470

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 331, 659, 662, 1318, 1655, 3295, 3310, 4303, 6590, 8567, 8606, 17134, 21515, 42835, 43030, 85670, 218129, 436258, 1090645, 2181290, 2835677, 5671354, 14178385, 28356770]

約数ペア:

[(1, 28356770), (2, 14178385), (5, 5671354), (10, 2835677), (13, 2181290), (26, 1090645), (65, 436258), (130, 218129), (331, 85670), (659, 43030), (662, 42835), (1318, 21515), (1655, 17134), (3295, 8606), (3310, 8567), (4303, 6590)]