258154204

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{20443}}^1$

素因数の和:20506

約数の個数: 48

約数和(自身を含む): 577011456

約数和(自身を除く): 318857252

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 41, 44, 77, 82, 154, 164, 287, 308, 451, 574, 902, 1148, 1804, 3157, 6314, 12628, 20443, 40886, 81772, 143101, 224873, 286202, 449746, 572404, 838163, 899492, 1574111, 1676326, 3148222, 3352652, 5867141, 6296444, 9219793, 11734282, 18439586, 23468564, 36879172, 64538551, 129077102, 258154204]

約数ペア:

[(1, 258154204), (2, 129077102), (4, 64538551), (7, 36879172), (11, 23468564), (14, 18439586), (22, 11734282), (28, 9219793), (41, 6296444), (44, 5867141), (77, 3352652), (82, 3148222), (154, 1676326), (164, 1574111), (287, 899492), (308, 838163), (451, 572404), (574, 449746), (902, 286202), (1148, 224873), (1804, 143101), (3157, 81772), (6314, 40886), (12628, 20443)]