213791508

素因数分解:

$2^2\times 3^3\times 7^2\times {\mathrm{71}}^1\times {\mathrm{569}}^1$

素因数の和:667

約数の個数: 144

約数和(自身を含む): 654998400

約数和(自身を除く): 441206892

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 49, 54, 63, 71, 84, 98, 108, 126, 142, 147, 189, 196, 213, 252, 284, 294, 378, 426, 441, 497, 569, 588, 639, 756, 852, 882, 994, 1138, 1278, 1323, 1491, 1707, 1764, 1917, 1988, 2276, 2556, 2646, 2982, 3414, 3479, 3834, 3983, 4473, 5121, 5292, 5964, 6828, 6958, 7668, 7966, 8946, 10242, 10437, 11949, 13419, 13916, 15363, 15932, 17892, 20484, 20874, 23898, 26838, 27881, 30726, 31311, 35847, 40399, 41748, 47796, 53676, 55762, 61452, 62622, 71694, 80798, 83643, 93933, 107541, 111524, 121197, 125244, 143388, 161596, 167286, 187866, 215082, 242394, 250929, 282793, 334572, 363591, 375732, 430164, 484788, 501858, 565586, 727182, 752787, 848379, 1003716, 1090773, 1131172, 1454364, 1505574, 1696758, 1979551, 2181546, 2545137, 3011148, 3393516, 3959102, 4363092, 5090274, 5938653, 7635411, 7918204, 10180548, 11877306, 15270822, 17815959, 23754612, 30541644, 35631918, 53447877, 71263836, 106895754, 213791508]

約数ペア:

[(1, 213791508), (2, 106895754), (3, 71263836), (4, 53447877), (6, 35631918), (7, 30541644), (9, 23754612), (12, 17815959), (14, 15270822), (18, 11877306), (21, 10180548), (27, 7918204), (28, 7635411), (36, 5938653), (42, 5090274), (49, 4363092), (54, 3959102), (63, 3393516), (71, 3011148), (84, 2545137), (98, 2181546), (108, 1979551), (126, 1696758), (142, 1505574), (147, 1454364), (189, 1131172), (196, 1090773), (213, 1003716), (252, 848379), (284, 752787), (294, 727182), (378, 565586), (426, 501858), (441, 484788), (497, 430164), (569, 375732), (588, 363591), (639, 334572), (756, 282793), (852, 250929), (882, 242394), (994, 215082), (1138, 187866), (1278, 167286), (1323, 161596), (1491, 143388), (1707, 125244), (1764, 121197), (1917, 111524), (1988, 107541), (2276, 93933), (2556, 83643), (2646, 80798), (2982, 71694), (3414, 62622), (3479, 61452), (3834, 55762), (3983, 53676), (4473, 47796), (5121, 41748), (5292, 40399), (5964, 35847), (6828, 31311), (6958, 30726), (7668, 27881), (7966, 26838), (8946, 23898), (10242, 20874), (10437, 20484), (11949, 17892), (13419, 15932), (13916, 15363)]