28245867

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{383}}^1$

素因数の和:491

約数の個数: 32

約数和(自身を含む): 42663936

約数和(自身を除く): 14418069

約数列:

[1, 3, 13, 31, 39, 61, 93, 183, 383, 403, 793, 1149, 1209, 1891, 2379, 4979, 5673, 11873, 14937, 23363, 24583, 35619, 70089, 73749, 154349, 303719, 463047, 724253, 911157, 2172759, 9415289, 28245867]

約数ペア:

[(1, 28245867), (3, 9415289), (13, 2172759), (31, 911157), (39, 724253), (61, 463047), (93, 303719), (183, 154349), (383, 73749), (403, 70089), (793, 35619), (1149, 24583), (1209, 23363), (1891, 14937), (2379, 11873), (4979, 5673)]