64354915

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{139}}^1$

素因数の和:307

約数の個数: 32

約数和(自身を含む): 83865600

約数和(自身を除く): 19510685

約数列:

[1, 5, 29, 31, 103, 139, 145, 155, 515, 695, 899, 2987, 3193, 4031, 4309, 4495, 14317, 14935, 15965, 20155, 21545, 71585, 92597, 124961, 415193, 443827, 462985, 624805, 2075965, 2219135, 12870983, 64354915]

約数ペア:

[(1, 64354915), (5, 12870983), (29, 2219135), (31, 2075965), (103, 624805), (139, 462985), (145, 443827), (155, 415193), (515, 124961), (695, 92597), (899, 71585), (2987, 21545), (3193, 20155), (4031, 15965), (4309, 14935), (4495, 14317)]