155364805

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{521}}^1$

素因数の和:661

約数の個数: 32

約数和(自身を含む): 203955840

約数和(自身を除く): 48591035

約数列:

[1, 5, 19, 43, 73, 95, 215, 365, 521, 817, 1387, 2605, 3139, 4085, 6935, 9899, 15695, 22403, 38033, 49495, 59641, 112015, 190165, 298205, 425657, 722627, 1635419, 2128285, 3613135, 8177095, 31072961, 155364805]

約数ペア:

[(1, 155364805), (5, 31072961), (19, 8177095), (43, 3613135), (73, 2128285), (95, 1635419), (215, 722627), (365, 425657), (521, 298205), (817, 190165), (1387, 112015), (2605, 59641), (3139, 49495), (4085, 38033), (6935, 22403), (9899, 15695)]