261507316

素因数分解:

$2^2\times 7^4\times {\mathrm{73}}^1\times {\mathrm{373}}^1$

素因数の和:478

約数の個数: 60

約数和(自身を含む): 542643332

約数和(自身を除く): 281136016

約数列:

[1, 2, 4, 7, 14, 28, 49, 73, 98, 146, 196, 292, 343, 373, 511, 686, 746, 1022, 1372, 1492, 2044, 2401, 2611, 3577, 4802, 5222, 7154, 9604, 10444, 14308, 18277, 25039, 27229, 36554, 50078, 54458, 73108, 100156, 108916, 127939, 175273, 190603, 255878, 350546, 381206, 511756, 701092, 762412, 895573, 1334221, 1791146, 2668442, 3582292, 5336884, 9339547, 18679094, 37358188, 65376829, 130753658, 261507316]

約数ペア:

[(1, 261507316), (2, 130753658), (4, 65376829), (7, 37358188), (14, 18679094), (28, 9339547), (49, 5336884), (73, 3582292), (98, 2668442), (146, 1791146), (196, 1334221), (292, 895573), (343, 762412), (373, 701092), (511, 511756), (686, 381206), (746, 350546), (1022, 255878), (1372, 190603), (1492, 175273), (2044, 127939), (2401, 108916), (2611, 100156), (3577, 73108), (4802, 54458), (5222, 50078), (7154, 36554), (9604, 27229), (10444, 25039), (14308, 18277)]