217398528

素因数分解:

$2^8\times 3^2\times {\mathrm{157}}^1\times {\mathrm{601}}^1$

素因数の和:780

約数の個数: 108

約数和(自身を含む): 631855588

約数和(自身を除く): 414457060

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 128, 144, 157, 192, 256, 288, 314, 384, 471, 576, 601, 628, 768, 942, 1152, 1202, 1256, 1413, 1803, 1884, 2304, 2404, 2512, 2826, 3606, 3768, 4808, 5024, 5409, 5652, 7212, 7536, 9616, 10048, 10818, 11304, 14424, 15072, 19232, 20096, 21636, 22608, 28848, 30144, 38464, 40192, 43272, 45216, 57696, 60288, 76928, 86544, 90432, 94357, 115392, 120576, 153856, 173088, 180864, 188714, 230784, 283071, 346176, 361728, 377428, 461568, 566142, 692352, 754856, 849213, 1132284, 1384704, 1509712, 1698426, 2264568, 3019424, 3396852, 4529136, 6038848, 6793704, 9058272, 12077696, 13587408, 18116544, 24155392, 27174816, 36233088, 54349632, 72466176, 108699264, 217398528]

約数ペア:

[(1, 217398528), (2, 108699264), (3, 72466176), (4, 54349632), (6, 36233088), (8, 27174816), (9, 24155392), (12, 18116544), (16, 13587408), (18, 12077696), (24, 9058272), (32, 6793704), (36, 6038848), (48, 4529136), (64, 3396852), (72, 3019424), (96, 2264568), (128, 1698426), (144, 1509712), (157, 1384704), (192, 1132284), (256, 849213), (288, 754856), (314, 692352), (384, 566142), (471, 461568), (576, 377428), (601, 361728), (628, 346176), (768, 283071), (942, 230784), (1152, 188714), (1202, 180864), (1256, 173088), (1413, 153856), (1803, 120576), (1884, 115392), (2304, 94357), (2404, 90432), (2512, 86544), (2826, 76928), (3606, 60288), (3768, 57696), (4808, 45216), (5024, 43272), (5409, 40192), (5652, 38464), (7212, 30144), (7536, 28848), (9616, 22608), (10048, 21636), (10818, 20096), (11304, 19232), (14424, 15072)]