256559844

素因数分解:

$2^2\times 3^1\times {\mathrm{31}}^1\times {\mathrm{43}}^2\times {\mathrm{373}}^1$

素因数の和:497

約数の個数: 72

約数和(自身を含む): 634351872

約数和(自身を除く): 377792028

約数列:

[1, 2, 3, 4, 6, 12, 31, 43, 62, 86, 93, 124, 129, 172, 186, 258, 372, 373, 516, 746, 1119, 1333, 1492, 1849, 2238, 2666, 3698, 3999, 4476, 5332, 5547, 7396, 7998, 11094, 11563, 15996, 16039, 22188, 23126, 32078, 34689, 46252, 48117, 57319, 64156, 69378, 96234, 114638, 138756, 171957, 192468, 229276, 343914, 497209, 687828, 689677, 994418, 1379354, 1491627, 1988836, 2069031, 2758708, 2983254, 4138062, 5966508, 8276124, 21379987, 42759974, 64139961, 85519948, 128279922, 256559844]

約数ペア:

[(1, 256559844), (2, 128279922), (3, 85519948), (4, 64139961), (6, 42759974), (12, 21379987), (31, 8276124), (43, 5966508), (62, 4138062), (86, 2983254), (93, 2758708), (124, 2069031), (129, 1988836), (172, 1491627), (186, 1379354), (258, 994418), (372, 689677), (373, 687828), (516, 497209), (746, 343914), (1119, 229276), (1333, 192468), (1492, 171957), (1849, 138756), (2238, 114638), (2666, 96234), (3698, 69378), (3999, 64156), (4476, 57319), (5332, 48117), (5547, 46252), (7396, 34689), (7998, 32078), (11094, 23126), (11563, 22188), (15996, 16039)]