15708512008

素因数分解:

$2^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{54121}}^1$

素因数の和:54278

約数の個数: 64

約数和(自身を含む): 34603441920

約数和(自身を除く): 18894929912

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 71, 73, 142, 146, 284, 292, 497, 511, 568, 584, 994, 1022, 1988, 2044, 3976, 4088, 5183, 10366, 20732, 36281, 41464, 54121, 72562, 108242, 145124, 216484, 290248, 378847, 432968, 757694, 1515388, 3030776, 3842591, 3950833, 7685182, 7901666, 15370364, 15803332, 26898137, 27655831, 30740728, 31606664, 53796274, 55311662, 107592548, 110623324, 215185096, 221246648, 280509143, 561018286, 1122036572, 1963564001, 2244073144, 3927128002, 7854256004, 15708512008]

約数ペア:

[(1, 15708512008), (2, 7854256004), (4, 3927128002), (7, 2244073144), (8, 1963564001), (14, 1122036572), (28, 561018286), (56, 280509143), (71, 221246648), (73, 215185096), (142, 110623324), (146, 107592548), (284, 55311662), (292, 53796274), (497, 31606664), (511, 30740728), (568, 27655831), (584, 26898137), (994, 15803332), (1022, 15370364), (1988, 7901666), (2044, 7685182), (3976, 3950833), (4088, 3842591), (5183, 3030776), (10366, 1515388), (20732, 757694), (36281, 432968), (41464, 378847), (54121, 290248), (72562, 216484), (108242, 145124)]