642743262

素因数分解:

$2^1\times 3^6\times 7^1\times {\mathrm{71}}^1\times {\mathrm{887}}^1$

素因数の和:985

約数の個数: 112

約数和(自身を含む): 1677169152

約数和(自身を除く): 1034425890

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 71, 81, 126, 142, 162, 189, 213, 243, 378, 426, 486, 497, 567, 639, 729, 887, 994, 1134, 1278, 1458, 1491, 1701, 1774, 1917, 2661, 2982, 3402, 3834, 4473, 5103, 5322, 5751, 6209, 7983, 8946, 10206, 11502, 12418, 13419, 15966, 17253, 18627, 23949, 26838, 34506, 37254, 40257, 47898, 51759, 55881, 62977, 71847, 80514, 103518, 111762, 120771, 125954, 143694, 167643, 188931, 215541, 241542, 335286, 362313, 377862, 431082, 440839, 502929, 566793, 646623, 724626, 881678, 1005858, 1133586, 1293246, 1322517, 1508787, 1700379, 2645034, 3017574, 3400758, 3967551, 4526361, 5101137, 7935102, 9052722, 10202274, 11902653, 15303411, 23805306, 30606822, 35707959, 45910233, 71415918, 91820466, 107123877, 214247754, 321371631, 642743262]

約数ペア:

[(1, 642743262), (2, 321371631), (3, 214247754), (6, 107123877), (7, 91820466), (9, 71415918), (14, 45910233), (18, 35707959), (21, 30606822), (27, 23805306), (42, 15303411), (54, 11902653), (63, 10202274), (71, 9052722), (81, 7935102), (126, 5101137), (142, 4526361), (162, 3967551), (189, 3400758), (213, 3017574), (243, 2645034), (378, 1700379), (426, 1508787), (486, 1322517), (497, 1293246), (567, 1133586), (639, 1005858), (729, 881678), (887, 724626), (994, 646623), (1134, 566793), (1278, 502929), (1458, 440839), (1491, 431082), (1701, 377862), (1774, 362313), (1917, 335286), (2661, 241542), (2982, 215541), (3402, 188931), (3834, 167643), (4473, 143694), (5103, 125954), (5322, 120771), (5751, 111762), (6209, 103518), (7983, 80514), (8946, 71847), (10206, 62977), (11502, 55881), (12418, 51759), (13419, 47898), (15966, 40257), (17253, 37254), (18627, 34506), (23949, 26838)]