25995904

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{499}}^1$

素因数の和:561

約数の個数: 64

約数和(自身を含む): 58140000

約数和(自身を除く): 32144096

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 37, 44, 64, 74, 88, 128, 148, 176, 296, 352, 407, 499, 592, 704, 814, 998, 1184, 1408, 1628, 1996, 2368, 3256, 3992, 4736, 5489, 6512, 7984, 10978, 13024, 15968, 18463, 21956, 26048, 31936, 36926, 43912, 52096, 63872, 73852, 87824, 147704, 175648, 203093, 295408, 351296, 406186, 590816, 702592, 812372, 1181632, 1624744, 2363264, 3249488, 6498976, 12997952, 25995904]

約数ペア:

[(1, 25995904), (2, 12997952), (4, 6498976), (8, 3249488), (11, 2363264), (16, 1624744), (22, 1181632), (32, 812372), (37, 702592), (44, 590816), (64, 406186), (74, 351296), (88, 295408), (128, 203093), (148, 175648), (176, 147704), (296, 87824), (352, 73852), (407, 63872), (499, 52096), (592, 43912), (704, 36926), (814, 31936), (998, 26048), (1184, 21956), (1408, 18463), (1628, 15968), (1996, 13024), (2368, 10978), (3256, 7984), (3992, 6512), (4736, 5489)]