31722516

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{71}}^1\times {\mathrm{197}}^1$

素因数の和:291

約数の個数: 120

約数和(自身を含む): 96598656

約数和(自身を除く): 64876140

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 71, 81, 84, 108, 126, 142, 162, 189, 197, 213, 252, 284, 324, 378, 394, 426, 497, 567, 591, 639, 756, 788, 852, 994, 1134, 1182, 1278, 1379, 1491, 1773, 1917, 1988, 2268, 2364, 2556, 2758, 2982, 3546, 3834, 4137, 4473, 5319, 5516, 5751, 5964, 7092, 7668, 8274, 8946, 10638, 11502, 12411, 13419, 13987, 15957, 16548, 17892, 21276, 23004, 24822, 26838, 27974, 31914, 37233, 40257, 41961, 49644, 53676, 55948, 63828, 74466, 80514, 83922, 97909, 111699, 125883, 148932, 161028, 167844, 195818, 223398, 251766, 293727, 377649, 391636, 446796, 503532, 587454, 755298, 881181, 1132947, 1174908, 1510596, 1762362, 2265894, 2643543, 3524724, 4531788, 5287086, 7930629, 10574172, 15861258, 31722516]

約数ペア:

[(1, 31722516), (2, 15861258), (3, 10574172), (4, 7930629), (6, 5287086), (7, 4531788), (9, 3524724), (12, 2643543), (14, 2265894), (18, 1762362), (21, 1510596), (27, 1174908), (28, 1132947), (36, 881181), (42, 755298), (54, 587454), (63, 503532), (71, 446796), (81, 391636), (84, 377649), (108, 293727), (126, 251766), (142, 223398), (162, 195818), (189, 167844), (197, 161028), (213, 148932), (252, 125883), (284, 111699), (324, 97909), (378, 83922), (394, 80514), (426, 74466), (497, 63828), (567, 55948), (591, 53676), (639, 49644), (756, 41961), (788, 40257), (852, 37233), (994, 31914), (1134, 27974), (1182, 26838), (1278, 24822), (1379, 23004), (1491, 21276), (1773, 17892), (1917, 16548), (1988, 15957), (2268, 13987), (2364, 13419), (2556, 12411), (2758, 11502), (2982, 10638), (3546, 8946), (3834, 8274), (4137, 7668), (4473, 7092), (5319, 5964), (5516, 5751)]