290413638

素因数分解:

$2^1\times 3^2\times {\mathrm{79}}^1\times {\mathrm{131}}^1\times {\mathrm{1559}}^1$

素因数の和:1777

約数の個数: 48

約数和(自身を含む): 642470400

約数和(自身を除く): 352056762

約数列:

[1, 2, 3, 6, 9, 18, 79, 131, 158, 237, 262, 393, 474, 711, 786, 1179, 1422, 1559, 2358, 3118, 4677, 9354, 10349, 14031, 20698, 28062, 31047, 62094, 93141, 123161, 186282, 204229, 246322, 369483, 408458, 612687, 738966, 1108449, 1225374, 1838061, 2216898, 3676122, 16134091, 32268182, 48402273, 96804546, 145206819, 290413638]

約数ペア:

[(1, 290413638), (2, 145206819), (3, 96804546), (6, 48402273), (9, 32268182), (18, 16134091), (79, 3676122), (131, 2216898), (158, 1838061), (237, 1225374), (262, 1108449), (393, 738966), (474, 612687), (711, 408458), (786, 369483), (1179, 246322), (1422, 204229), (1559, 186282), (2358, 123161), (3118, 93141), (4677, 62094), (9354, 31047), (10349, 28062), (14031, 20698)]