256356723

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{10267}}^1$

素因数の和:10347

約数の個数: 32

約数和(自身を含む): 414005760

約数和(自身を除く): 157649037

約数列:

[1, 3, 7, 21, 29, 41, 87, 123, 203, 287, 609, 861, 1189, 3567, 8323, 10267, 24969, 30801, 71869, 215607, 297743, 420947, 893229, 1262841, 2084201, 2946629, 6252603, 8839887, 12207463, 36622389, 85452241, 256356723]

約数ペア:

[(1, 256356723), (3, 85452241), (7, 36622389), (21, 12207463), (29, 8839887), (41, 6252603), (87, 2946629), (123, 2084201), (203, 1262841), (287, 893229), (609, 420947), (861, 297743), (1189, 215607), (3567, 71869), (8323, 30801), (10267, 24969)]