397907816

素因数分解:

$2^3\times {\mathrm{31}}^2\times {\mathrm{73}}^1\times {\mathrm{709}}^1$

素因数の和:850

約数の個数: 48

約数和(自身を含む): 782583300

約数和(自身を除く): 384675484

約数列:

[1, 2, 4, 8, 31, 62, 73, 124, 146, 248, 292, 584, 709, 961, 1418, 1922, 2263, 2836, 3844, 4526, 5672, 7688, 9052, 18104, 21979, 43958, 51757, 70153, 87916, 103514, 140306, 175832, 207028, 280612, 414056, 561224, 681349, 1362698, 1604467, 2725396, 3208934, 5450792, 6417868, 12835736, 49738477, 99476954, 198953908, 397907816]

約数ペア:

[(1, 397907816), (2, 198953908), (4, 99476954), (8, 49738477), (31, 12835736), (62, 6417868), (73, 5450792), (124, 3208934), (146, 2725396), (248, 1604467), (292, 1362698), (584, 681349), (709, 561224), (961, 414056), (1418, 280612), (1922, 207028), (2263, 175832), (2836, 140306), (3844, 103514), (4526, 87916), (5672, 70153), (7688, 51757), (9052, 43958), (18104, 21979)]