257994072

素因数分解:

$2^3\times 3^5\times 7^1\times {\mathrm{18959}}^1$

素因数の和:18987

約数の個数: 96

約数和(自身を含む): 828172800

約数和(自身を除く): 570178728

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 63, 72, 81, 84, 108, 126, 162, 168, 189, 216, 243, 252, 324, 378, 486, 504, 567, 648, 756, 972, 1134, 1512, 1701, 1944, 2268, 3402, 4536, 6804, 13608, 18959, 37918, 56877, 75836, 113754, 132713, 151672, 170631, 227508, 265426, 341262, 398139, 455016, 511893, 530852, 682524, 796278, 1023786, 1061704, 1194417, 1365048, 1535679, 1592556, 2047572, 2388834, 3071358, 3185112, 3583251, 4095144, 4607037, 4777668, 6142716, 7166502, 9214074, 9555336, 10749753, 12285432, 14333004, 18428148, 21499506, 28666008, 32249259, 36856296, 42999012, 64498518, 85998024, 128997036, 257994072]

約数ペア:

[(1, 257994072), (2, 128997036), (3, 85998024), (4, 64498518), (6, 42999012), (7, 36856296), (8, 32249259), (9, 28666008), (12, 21499506), (14, 18428148), (18, 14333004), (21, 12285432), (24, 10749753), (27, 9555336), (28, 9214074), (36, 7166502), (42, 6142716), (54, 4777668), (56, 4607037), (63, 4095144), (72, 3583251), (81, 3185112), (84, 3071358), (108, 2388834), (126, 2047572), (162, 1592556), (168, 1535679), (189, 1365048), (216, 1194417), (243, 1061704), (252, 1023786), (324, 796278), (378, 682524), (486, 530852), (504, 511893), (567, 455016), (648, 398139), (756, 341262), (972, 265426), (1134, 227508), (1512, 170631), (1701, 151672), (1944, 132713), (2268, 113754), (3402, 75836), (4536, 56877), (6804, 37918), (13608, 18959)]