31901436

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1783}}^1$

素因数の和:1871

約数の個数: 72

約数和(自身を含む): 93510144

約数和(自身を除く): 61608708

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 71, 84, 126, 142, 213, 252, 284, 426, 497, 639, 852, 994, 1278, 1491, 1783, 1988, 2556, 2982, 3566, 4473, 5349, 5964, 7132, 8946, 10698, 12481, 16047, 17892, 21396, 24962, 32094, 37443, 49924, 64188, 74886, 112329, 126593, 149772, 224658, 253186, 379779, 449316, 506372, 759558, 886151, 1139337, 1519116, 1772302, 2278674, 2658453, 3544604, 4557348, 5316906, 7975359, 10633812, 15950718, 31901436]

約数ペア:

[(1, 31901436), (2, 15950718), (3, 10633812), (4, 7975359), (6, 5316906), (7, 4557348), (9, 3544604), (12, 2658453), (14, 2278674), (18, 1772302), (21, 1519116), (28, 1139337), (36, 886151), (42, 759558), (63, 506372), (71, 449316), (84, 379779), (126, 253186), (142, 224658), (213, 149772), (252, 126593), (284, 112329), (426, 74886), (497, 64188), (639, 49924), (852, 37443), (994, 32094), (1278, 24962), (1491, 21396), (1783, 17892), (1988, 16047), (2556, 12481), (2982, 10698), (3566, 8946), (4473, 7132), (5349, 5964)]