646634772

素因数分解:

$2^2\times 3^3\times 7^2\times {\mathrm{71}}^1\times {\mathrm{1721}}^1$

素因数の和:1819

約数の個数: 144

約数和(自身を含む): 1978784640

約数和(自身を除く): 1332149868

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, 588, 639, 756, 852, 882, 994, 1278, 1323, 1491, 1721, 1764, 1917, 1988, 2556, 2646, 2982, 3442, 3479, 3834, 4473, 5163, 5292, 5964, 6884, 6958, 7668, 8946, 10326, 10437, 12047, 13419, 13916, 15489, 17892, 20652, 20874, 24094, 26838, 30978, 31311, 36141, 41748, 46467, 48188, 53676, 61956, 62622, 72282, 84329, 92934, 93933, 108423, 122191, 125244, 144564, 168658, 185868, 187866, 216846, 244382, 252987, 325269, 337316, 366573, 375732, 433692, 488764, 505974, 650538, 733146, 758961, 855337, 1011948, 1099719, 1301076, 1466292, 1517922, 1710674, 2199438, 2276883, 2566011, 3035844, 3299157, 3421348, 4398876, 4553766, 5132022, 5987359, 6598314, 7698033, 9107532, 10264044, 11974718, 13196628, 15396066, 17962077, 23094099, 23949436, 30792132, 35924154, 46188198, 53886231, 71848308, 92376396, 107772462, 161658693, 215544924, 323317386, 646634772]

約数ペア:

[(1, 646634772), (2, 323317386), (3, 215544924), (4, 161658693), (6, 107772462), (7, 92376396), (9, 71848308), (12, 53886231), (14, 46188198), (18, 35924154), (21, 30792132), (27, 23949436), (28, 23094099), (36, 17962077), (42, 15396066), (49, 13196628), (54, 11974718), (63, 10264044), (71, 9107532), (84, 7698033), (98, 6598314), (108, 5987359), (126, 5132022), (142, 4553766), (147, 4398876), (189, 3421348), (196, 3299157), (213, 3035844), (252, 2566011), (284, 2276883), (294, 2199438), (378, 1710674), (426, 1517922), (441, 1466292), (497, 1301076), (588, 1099719), (639, 1011948), (756, 855337), (852, 758961), (882, 733146), (994, 650538), (1278, 505974), (1323, 488764), (1491, 433692), (1721, 375732), (1764, 366573), (1917, 337316), (1988, 325269), (2556, 252987), (2646, 244382), (2982, 216846), (3442, 187866), (3479, 185868), (3834, 168658), (4473, 144564), (5163, 125244), (5292, 122191), (5964, 108423), (6884, 93933), (6958, 92934), (7668, 84329), (8946, 72282), (10326, 62622), (10437, 61956), (12047, 53676), (13419, 48188), (13916, 46467), (15489, 41748), (17892, 36141), (20652, 31311), (20874, 30978), (24094, 26838)]