253291242

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1\times {\mathrm{317}}^1$

素因数の和:547

約数の個数: 64

約数和(自身を含む): 550725120

約数和(自身を除く): 297433878

約数列:

[1, 2, 3, 6, 19, 38, 43, 57, 86, 114, 129, 163, 258, 317, 326, 489, 634, 817, 951, 978, 1634, 1902, 2451, 3097, 4902, 6023, 6194, 7009, 9291, 12046, 13631, 14018, 18069, 18582, 21027, 27262, 36138, 40893, 42054, 51671, 81786, 103342, 133171, 155013, 258989, 266342, 310026, 399513, 517978, 776967, 799026, 981749, 1553934, 1963498, 2221853, 2945247, 4443706, 5890494, 6665559, 13331118, 42215207, 84430414, 126645621, 253291242]

約数ペア:

[(1, 253291242), (2, 126645621), (3, 84430414), (6, 42215207), (19, 13331118), (38, 6665559), (43, 5890494), (57, 4443706), (86, 2945247), (114, 2221853), (129, 1963498), (163, 1553934), (258, 981749), (317, 799026), (326, 776967), (489, 517978), (634, 399513), (817, 310026), (951, 266342), (978, 258989), (1634, 155013), (1902, 133171), (2451, 103342), (3097, 81786), (4902, 51671), (6023, 42054), (6194, 40893), (7009, 36138), (9291, 27262), (12046, 21027), (13631, 18582), (14018, 18069)]