28858245

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{7789}}^1$

素因数の和:7829

約数の個数: 32

約数和(自身を含む): 52348800

約数和(自身を除く): 23490555

約数列:

[1, 3, 5, 13, 15, 19, 39, 57, 65, 95, 195, 247, 285, 741, 1235, 3705, 7789, 23367, 38945, 101257, 116835, 147991, 303771, 443973, 506285, 739955, 1518855, 1923883, 2219865, 5771649, 9619415, 28858245]

約数ペア:

[(1, 28858245), (3, 9619415), (5, 5771649), (13, 2219865), (15, 1923883), (19, 1518855), (39, 739955), (57, 506285), (65, 443973), (95, 303771), (195, 147991), (247, 116835), (285, 101257), (741, 38945), (1235, 23367), (3705, 7789)]