161940492

素因数分解:

$2^2\times 3^3\times 7^2\times {\mathrm{71}}^1\times {\mathrm{431}}^1$

素因数の和:529

約数の個数: 144

約数和(自身を含む): 496419840

約数和(自身を除く): 334479348

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, 431, 441, 497, 588, 639, 756, 852, 862, 882, 994, 1278, 1293, 1323, 1491, 1724, 1764, 1917, 1988, 2556, 2586, 2646, 2982, 3017, 3479, 3834, 3879, 4473, 5172, 5292, 5964, 6034, 6958, 7668, 7758, 8946, 9051, 10437, 11637, 12068, 13419, 13916, 15516, 17892, 18102, 20874, 21119, 23274, 26838, 27153, 30601, 31311, 36204, 41748, 42238, 46548, 53676, 54306, 61202, 62622, 63357, 81459, 84476, 91803, 93933, 108612, 122404, 125244, 126714, 162918, 183606, 187866, 190071, 214207, 253428, 275409, 325836, 367212, 375732, 380142, 428414, 550818, 570213, 642621, 760284, 826227, 856828, 1101636, 1140426, 1285242, 1499449, 1652454, 1927863, 2280852, 2570484, 2998898, 3304908, 3855726, 4498347, 5783589, 5997796, 7711452, 8996694, 11567178, 13495041, 17993388, 23134356, 26990082, 40485123, 53980164, 80970246, 161940492]

約数ペア:

[(1, 161940492), (2, 80970246), (3, 53980164), (4, 40485123), (6, 26990082), (7, 23134356), (9, 17993388), (12, 13495041), (14, 11567178), (18, 8996694), (21, 7711452), (27, 5997796), (28, 5783589), (36, 4498347), (42, 3855726), (49, 3304908), (54, 2998898), (63, 2570484), (71, 2280852), (84, 1927863), (98, 1652454), (108, 1499449), (126, 1285242), (142, 1140426), (147, 1101636), (189, 856828), (196, 826227), (213, 760284), (252, 642621), (284, 570213), (294, 550818), (378, 428414), (426, 380142), (431, 375732), (441, 367212), (497, 325836), (588, 275409), (639, 253428), (756, 214207), (852, 190071), (862, 187866), (882, 183606), (994, 162918), (1278, 126714), (1293, 125244), (1323, 122404), (1491, 108612), (1724, 93933), (1764, 91803), (1917, 84476), (1988, 81459), (2556, 63357), (2586, 62622), (2646, 61202), (2982, 54306), (3017, 53676), (3479, 46548), (3834, 42238), (3879, 41748), (4473, 36204), (5172, 31311), (5292, 30601), (5964, 27153), (6034, 26838), (6958, 23274), (7668, 21119), (7758, 20874), (8946, 18102), (9051, 17892), (10437, 15516), (11637, 13916), (12068, 13419)]