644056

素因数分解:

$2^3\times 7^2\times {\mathrm{31}}^1\times {\mathrm{53}}^1$

素因数の和:104

約数の個数: 48

約数和(自身を含む): 1477440

約数和(自身を除く): 833384

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 49, 53, 56, 62, 98, 106, 124, 196, 212, 217, 248, 371, 392, 424, 434, 742, 868, 1484, 1519, 1643, 1736, 2597, 2968, 3038, 3286, 5194, 6076, 6572, 10388, 11501, 12152, 13144, 20776, 23002, 46004, 80507, 92008, 161014, 322028, 644056]

約数ペア:

[(1, 644056), (2, 322028), (4, 161014), (7, 92008), (8, 80507), (14, 46004), (28, 23002), (31, 20776), (49, 13144), (53, 12152), (56, 11501), (62, 10388), (98, 6572), (106, 6076), (124, 5194), (196, 3286), (212, 3038), (217, 2968), (248, 2597), (371, 1736), (392, 1643), (424, 1519), (434, 1484), (742, 868)]