31909956

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1$

素因数の和:201

約数の個数: 96

約数和(自身を含む): 84446208

約数和(自身を除く): 52536252

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 43, 52, 67, 71, 78, 86, 129, 134, 142, 156, 172, 201, 213, 258, 268, 284, 402, 426, 516, 559, 804, 852, 871, 923, 1118, 1677, 1742, 1846, 2236, 2613, 2769, 2881, 3053, 3354, 3484, 3692, 4757, 5226, 5538, 5762, 6106, 6708, 8643, 9159, 9514, 10452, 11076, 11524, 12212, 14271, 17286, 18318, 19028, 28542, 34572, 36636, 37453, 39689, 57084, 61841, 74906, 79378, 112359, 119067, 123682, 149812, 158756, 185523, 204551, 224718, 238134, 247364, 371046, 409102, 449436, 476268, 613653, 742092, 818204, 1227306, 2454612, 2659163, 5318326, 7977489, 10636652, 15954978, 31909956]

約数ペア:

[(1, 31909956), (2, 15954978), (3, 10636652), (4, 7977489), (6, 5318326), (12, 2659163), (13, 2454612), (26, 1227306), (39, 818204), (43, 742092), (52, 613653), (67, 476268), (71, 449436), (78, 409102), (86, 371046), (129, 247364), (134, 238134), (142, 224718), (156, 204551), (172, 185523), (201, 158756), (213, 149812), (258, 123682), (268, 119067), (284, 112359), (402, 79378), (426, 74906), (516, 61841), (559, 57084), (804, 39689), (852, 37453), (871, 36636), (923, 34572), (1118, 28542), (1677, 19028), (1742, 18318), (1846, 17286), (2236, 14271), (2613, 12212), (2769, 11524), (2881, 11076), (3053, 10452), (3354, 9514), (3484, 9159), (3692, 8643), (4757, 6708), (5226, 6106), (5538, 5762)]