278159528

素因数分解:

$2^3\times {\mathrm{31}}^2\times {\mathrm{97}}^1\times {\mathrm{373}}^1$

素因数の和:538

約数の個数: 48

約数和(自身を含む): 545931540

約数和(自身を除く): 267772012

約数列:

[1, 2, 4, 8, 31, 62, 97, 124, 194, 248, 373, 388, 746, 776, 961, 1492, 1922, 2984, 3007, 3844, 6014, 7688, 11563, 12028, 23126, 24056, 36181, 46252, 72362, 92504, 93217, 144724, 186434, 289448, 358453, 372868, 716906, 745736, 1121611, 1433812, 2243222, 2867624, 4486444, 8972888, 34769941, 69539882, 139079764, 278159528]

約数ペア:

[(1, 278159528), (2, 139079764), (4, 69539882), (8, 34769941), (31, 8972888), (62, 4486444), (97, 2867624), (124, 2243222), (194, 1433812), (248, 1121611), (373, 745736), (388, 716906), (746, 372868), (776, 358453), (961, 289448), (1492, 186434), (1922, 144724), (2984, 93217), (3007, 92504), (3844, 72362), (6014, 46252), (7688, 36181), (11563, 24056), (12028, 23126)]