278328138

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{145417}}^1$

素因数の和:145462

約数の個数: 32

約数和(自身を含む): 628205760

約数和(自身を除く): 349877622

約数列:

[1, 2, 3, 6, 11, 22, 29, 33, 58, 66, 87, 174, 319, 638, 957, 1914, 145417, 290834, 436251, 872502, 1599587, 3199174, 4217093, 4798761, 8434186, 9597522, 12651279, 25302558, 46388023, 92776046, 139164069, 278328138]

約数ペア:

[(1, 278328138), (2, 139164069), (3, 92776046), (6, 46388023), (11, 25302558), (22, 12651279), (29, 9597522), (33, 8434186), (58, 4798761), (66, 4217093), (87, 3199174), (174, 1599587), (319, 872502), (638, 436251), (957, 290834), (1914, 145417)]