208661868

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{181}}^1\times {\mathrm{1033}}^1$

素因数の和:1255

約数の個数: 72

約数和(自身を含む): 548003456

約数和(自身を除く): 339341588

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 124, 181, 186, 279, 362, 372, 543, 558, 724, 1033, 1086, 1116, 1629, 2066, 2172, 3099, 3258, 4132, 5611, 6198, 6516, 9297, 11222, 12396, 16833, 18594, 22444, 32023, 33666, 37188, 50499, 64046, 67332, 96069, 100998, 128092, 186973, 192138, 201996, 288207, 373946, 384276, 560919, 576414, 747892, 1121838, 1152828, 1682757, 2243676, 3365514, 5796163, 6731028, 11592326, 17388489, 23184652, 34776978, 52165467, 69553956, 104330934, 208661868]

約数ペア:

[(1, 208661868), (2, 104330934), (3, 69553956), (4, 52165467), (6, 34776978), (9, 23184652), (12, 17388489), (18, 11592326), (31, 6731028), (36, 5796163), (62, 3365514), (93, 2243676), (124, 1682757), (181, 1152828), (186, 1121838), (279, 747892), (362, 576414), (372, 560919), (543, 384276), (558, 373946), (724, 288207), (1033, 201996), (1086, 192138), (1116, 186973), (1629, 128092), (2066, 100998), (2172, 96069), (3099, 67332), (3258, 64046), (4132, 50499), (5611, 37188), (6198, 33666), (6516, 32023), (9297, 22444), (11222, 18594), (12396, 16833)]