251542008

素因数分解:

$2^3\times 3^2\times {\mathrm{131}}^1\times {\mathrm{26669}}^1$

素因数の和:26812

約数の個数: 48

約数和(自身を含む): 686485800

約数和(自身を除く): 434943792

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 131, 262, 393, 524, 786, 1048, 1179, 1572, 2358, 3144, 4716, 9432, 26669, 53338, 80007, 106676, 160014, 213352, 240021, 320028, 480042, 640056, 960084, 1920168, 3493639, 6987278, 10480917, 13974556, 20961834, 27949112, 31442751, 41923668, 62885502, 83847336, 125771004, 251542008]

約数ペア:

[(1, 251542008), (2, 125771004), (3, 83847336), (4, 62885502), (6, 41923668), (8, 31442751), (9, 27949112), (12, 20961834), (18, 13974556), (24, 10480917), (36, 6987278), (72, 3493639), (131, 1920168), (262, 960084), (393, 640056), (524, 480042), (786, 320028), (1048, 240021), (1179, 213352), (1572, 160014), (2358, 106676), (3144, 80007), (4716, 53338), (9432, 26669)]