31159912

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{461}}^1$

素因数の和:562

約数の個数: 64

約数和(自身を含む): 71850240

約数和(自身を除く): 40690328

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 56, 68, 71, 119, 136, 142, 238, 284, 461, 476, 497, 568, 922, 952, 994, 1207, 1844, 1988, 2414, 3227, 3688, 3976, 4828, 6454, 7837, 8449, 9656, 12908, 15674, 16898, 25816, 31348, 32731, 33796, 54859, 62696, 65462, 67592, 109718, 130924, 219436, 229117, 261848, 438872, 458234, 556427, 916468, 1112854, 1832936, 2225708, 3894989, 4451416, 7789978, 15579956, 31159912]

約数ペア:

[(1, 31159912), (2, 15579956), (4, 7789978), (7, 4451416), (8, 3894989), (14, 2225708), (17, 1832936), (28, 1112854), (34, 916468), (56, 556427), (68, 458234), (71, 438872), (119, 261848), (136, 229117), (142, 219436), (238, 130924), (284, 109718), (461, 67592), (476, 65462), (497, 62696), (568, 54859), (922, 33796), (952, 32731), (994, 31348), (1207, 25816), (1844, 16898), (1988, 15674), (2414, 12908), (3227, 9656), (3688, 8449), (3976, 7837), (4828, 6454)]