156921786

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1949}}^1$

素因数の和:2041

約数の個数: 80

約数和(自身を含む): 407721600

約数和(自身を除く): 250799814

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 71, 81, 126, 142, 162, 189, 213, 378, 426, 497, 567, 639, 994, 1134, 1278, 1491, 1917, 1949, 2982, 3834, 3898, 4473, 5751, 5847, 8946, 11502, 11694, 13419, 13643, 17541, 26838, 27286, 35082, 40257, 40929, 52623, 80514, 81858, 105246, 122787, 138379, 157869, 245574, 276758, 315738, 368361, 415137, 736722, 830274, 968653, 1105083, 1245411, 1937306, 2210166, 2490822, 2905959, 3736233, 5811918, 7472466, 8717877, 11208699, 17435754, 22417398, 26153631, 52307262, 78460893, 156921786]

約数ペア:

[(1, 156921786), (2, 78460893), (3, 52307262), (6, 26153631), (7, 22417398), (9, 17435754), (14, 11208699), (18, 8717877), (21, 7472466), (27, 5811918), (42, 3736233), (54, 2905959), (63, 2490822), (71, 2210166), (81, 1937306), (126, 1245411), (142, 1105083), (162, 968653), (189, 830274), (213, 736722), (378, 415137), (426, 368361), (497, 315738), (567, 276758), (639, 245574), (994, 157869), (1134, 138379), (1278, 122787), (1491, 105246), (1917, 81858), (1949, 80514), (2982, 52623), (3834, 40929), (3898, 40257), (4473, 35082), (5751, 27286), (5847, 26838), (8946, 17541), (11502, 13643), (11694, 13419)]