278260244

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{131}}^1\times {\mathrm{1471}}^1$

素因数の和:1644

約数の個数: 36

約数和(自身を含む): 518208768

約数和(自身を除く): 239948524

約数列:

[1, 2, 4, 19, 38, 76, 131, 262, 361, 524, 722, 1444, 1471, 2489, 2942, 4978, 5884, 9956, 27949, 47291, 55898, 94582, 111796, 189164, 192701, 385402, 531031, 770804, 1062062, 2124124, 3661319, 7322638, 14645276, 69565061, 139130122, 278260244]

約数ペア:

[(1, 278260244), (2, 139130122), (4, 69565061), (19, 14645276), (38, 7322638), (76, 3661319), (131, 2124124), (262, 1062062), (361, 770804), (524, 531031), (722, 385402), (1444, 192701), (1471, 189164), (2489, 111796), (2942, 94582), (4978, 55898), (5884, 47291), (9956, 27949)]