38890245

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{2237}}^1$

素因数の和:2325

約数の個数: 32

約数和(自身を含む): 66602880

約数和(自身を除く): 27712635

約数列:

[1, 3, 5, 15, 19, 57, 61, 95, 183, 285, 305, 915, 1159, 2237, 3477, 5795, 6711, 11185, 17385, 33555, 42503, 127509, 136457, 212515, 409371, 637545, 682285, 2046855, 2592683, 7778049, 12963415, 38890245]

約数ペア:

[(1, 38890245), (3, 12963415), (5, 7778049), (15, 2592683), (19, 2046855), (57, 682285), (61, 637545), (95, 409371), (183, 212515), (285, 136457), (305, 127509), (915, 42503), (1159, 33555), (2237, 17385), (3477, 11185), (5795, 6711)]