87381972

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{2011}}^1$

素因数の和:2109

約数の個数: 72

約数和(自身を含む): 237287232

約数和(自身を除く): 149905260

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 71, 102, 142, 153, 204, 213, 284, 306, 426, 612, 639, 852, 1207, 1278, 2011, 2414, 2556, 3621, 4022, 4828, 6033, 7242, 8044, 10863, 12066, 14484, 18099, 21726, 24132, 34187, 36198, 43452, 68374, 72396, 102561, 136748, 142781, 205122, 285562, 307683, 410244, 428343, 571124, 615366, 856686, 1230732, 1285029, 1713372, 2427277, 2570058, 4854554, 5140116, 7281831, 9709108, 14563662, 21845493, 29127324, 43690986, 87381972]

約数ペア:

[(1, 87381972), (2, 43690986), (3, 29127324), (4, 21845493), (6, 14563662), (9, 9709108), (12, 7281831), (17, 5140116), (18, 4854554), (34, 2570058), (36, 2427277), (51, 1713372), (68, 1285029), (71, 1230732), (102, 856686), (142, 615366), (153, 571124), (204, 428343), (213, 410244), (284, 307683), (306, 285562), (426, 205122), (612, 142781), (639, 136748), (852, 102561), (1207, 72396), (1278, 68374), (2011, 43452), (2414, 36198), (2556, 34187), (3621, 24132), (4022, 21726), (4828, 18099), (6033, 14484), (7242, 12066), (8044, 10863)]