278792456

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{397}}^1\times {\mathrm{2141}}^1$

素因数の和:2585

約数の個数: 32

約数和(自身を含む): 537085080

約数和(自身を除く): 258292624

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 397, 794, 1588, 2141, 3176, 4282, 8564, 16277, 17128, 32554, 65108, 87781, 130216, 175562, 351124, 702248, 849977, 1699954, 3399908, 6799816, 34849057, 69698114, 139396228, 278792456]

約数ペア:

[(1, 278792456), (2, 139396228), (4, 69698114), (8, 34849057), (41, 6799816), (82, 3399908), (164, 1699954), (328, 849977), (397, 702248), (794, 351124), (1588, 175562), (2141, 130216), (3176, 87781), (4282, 65108), (8564, 32554), (16277, 17128)]