257831475

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{5297}}^1$

素因数の和:5380

約数の個数: 48

約数和(自身を含む): 473005440

約数和(自身を除く): 215173965

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 59, 75, 165, 177, 275, 295, 649, 825, 885, 1475, 1947, 3245, 4425, 5297, 9735, 15891, 16225, 26485, 48675, 58267, 79455, 132425, 174801, 291335, 312523, 397275, 874005, 937569, 1456675, 1562615, 3437753, 4370025, 4687845, 7813075, 10313259, 17188765, 23439225, 51566295, 85943825, 257831475]

約数ペア:

[(1, 257831475), (3, 85943825), (5, 51566295), (11, 23439225), (15, 17188765), (25, 10313259), (33, 7813075), (55, 4687845), (59, 4370025), (75, 3437753), (165, 1562615), (177, 1456675), (275, 937569), (295, 874005), (649, 397275), (825, 312523), (885, 291335), (1475, 174801), (1947, 132425), (3245, 79455), (4425, 58267), (5297, 48675), (9735, 26485), (15891, 16225)]