278314544

素因数分解:

$2^4\times {\mathrm{73}}^1\times {\mathrm{239}}^1\times {\mathrm{997}}^1$

素因数の和:1317

約数の個数: 40

約数和(自身を含む): 549458880

約数和(自身を除く): 271144336

約数列:

[1, 2, 4, 8, 16, 73, 146, 239, 292, 478, 584, 956, 997, 1168, 1912, 1994, 3824, 3988, 7976, 15952, 17447, 34894, 69788, 72781, 139576, 145562, 238283, 279152, 291124, 476566, 582248, 953132, 1164496, 1906264, 3812528, 17394659, 34789318, 69578636, 139157272, 278314544]

約数ペア:

[(1, 278314544), (2, 139157272), (4, 69578636), (8, 34789318), (16, 17394659), (73, 3812528), (146, 1906264), (239, 1164496), (292, 953132), (478, 582248), (584, 476566), (956, 291124), (997, 279152), (1168, 238283), (1912, 145562), (1994, 139576), (3824, 72781), (3988, 69788), (7976, 34894), (15952, 17447)]