131513616

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{431}}^1$

素因数の和:621

約数の個数: 120

約数和(自身を含む): 399724416

約数和(自身を除く): 268210800

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 48, 52, 72, 78, 104, 117, 144, 156, 163, 208, 234, 312, 326, 431, 468, 489, 624, 652, 862, 936, 978, 1293, 1304, 1467, 1724, 1872, 1956, 2119, 2586, 2608, 2934, 3448, 3879, 3912, 4238, 5172, 5603, 5868, 6357, 6896, 7758, 7824, 8476, 10344, 11206, 11736, 12714, 15516, 16809, 16952, 19071, 20688, 22412, 23472, 25428, 31032, 33618, 33904, 38142, 44824, 50427, 50856, 62064, 67236, 70253, 76284, 89648, 100854, 101712, 134472, 140506, 152568, 201708, 210759, 268944, 281012, 305136, 403416, 421518, 562024, 632277, 806832, 843036, 913289, 1124048, 1264554, 1686072, 1826578, 2529108, 2739867, 3372144, 3653156, 5058216, 5479734, 7306312, 8219601, 10116432, 10959468, 14612624, 16439202, 21918936, 32878404, 43837872, 65756808, 131513616]

約数ペア:

[(1, 131513616), (2, 65756808), (3, 43837872), (4, 32878404), (6, 21918936), (8, 16439202), (9, 14612624), (12, 10959468), (13, 10116432), (16, 8219601), (18, 7306312), (24, 5479734), (26, 5058216), (36, 3653156), (39, 3372144), (48, 2739867), (52, 2529108), (72, 1826578), (78, 1686072), (104, 1264554), (117, 1124048), (144, 913289), (156, 843036), (163, 806832), (208, 632277), (234, 562024), (312, 421518), (326, 403416), (431, 305136), (468, 281012), (489, 268944), (624, 210759), (652, 201708), (862, 152568), (936, 140506), (978, 134472), (1293, 101712), (1304, 100854), (1467, 89648), (1724, 76284), (1872, 70253), (1956, 67236), (2119, 62064), (2586, 50856), (2608, 50427), (2934, 44824), (3448, 38142), (3879, 33904), (3912, 33618), (4238, 31032), (5172, 25428), (5603, 23472), (5868, 22412), (6357, 20688), (6896, 19071), (7758, 16952), (7824, 16809), (8476, 15516), (10344, 12714), (11206, 11736)]