66740830

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{16561}}^1$

素因数の和:16612

約数の個数: 32

約数和(自身を含む): 133555968

約数和(自身を除く): 66815138

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 16561, 33122, 82805, 165610, 215293, 430586, 513391, 1026782, 1076465, 2152930, 2566955, 5133910, 6674083, 13348166, 33370415, 66740830]

約数ペア:

[(1, 66740830), (2, 33370415), (5, 13348166), (10, 6674083), (13, 5133910), (26, 2566955), (31, 2152930), (62, 1076465), (65, 1026782), (130, 513391), (155, 430586), (310, 215293), (403, 165610), (806, 82805), (2015, 33122), (4030, 16561)]