69989528

素因数分解:

$2^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{607}}^1$

素因数の和:720

約数の個数: 64

約数和(自身を含む): 157593600

約数和(自身を除く): 87604072

約数列:

[1, 2, 4, 7, 8, 14, 28, 29, 56, 58, 71, 116, 142, 203, 232, 284, 406, 497, 568, 607, 812, 994, 1214, 1624, 1988, 2059, 2428, 3976, 4118, 4249, 4856, 8236, 8498, 14413, 16472, 16996, 17603, 28826, 33992, 35206, 43097, 57652, 70412, 86194, 115304, 123221, 140824, 172388, 246442, 301679, 344776, 492884, 603358, 985768, 1206716, 1249813, 2413432, 2499626, 4999252, 8748691, 9998504, 17497382, 34994764, 69989528]

約数ペア:

[(1, 69989528), (2, 34994764), (4, 17497382), (7, 9998504), (8, 8748691), (14, 4999252), (28, 2499626), (29, 2413432), (56, 1249813), (58, 1206716), (71, 985768), (116, 603358), (142, 492884), (203, 344776), (232, 301679), (284, 246442), (406, 172388), (497, 140824), (568, 123221), (607, 115304), (812, 86194), (994, 70412), (1214, 57652), (1624, 43097), (1988, 35206), (2059, 33992), (2428, 28826), (3976, 17603), (4118, 16996), (4249, 16472), (4856, 14413), (8236, 8498)]