68984368

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{1997}}^1$

素因数の和:2149

約数の個数: 40

約数和(自身を含む): 142705152

約数和(自身を除く): 73720784

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 127, 136, 254, 272, 508, 1016, 1997, 2032, 2159, 3994, 4318, 7988, 8636, 15976, 17272, 31952, 33949, 34544, 67898, 135796, 253619, 271592, 507238, 543184, 1014476, 2028952, 4057904, 4311523, 8623046, 17246092, 34492184, 68984368]

約数ペア:

[(1, 68984368), (2, 34492184), (4, 17246092), (8, 8623046), (16, 4311523), (17, 4057904), (34, 2028952), (68, 1014476), (127, 543184), (136, 507238), (254, 271592), (272, 253619), (508, 135796), (1016, 67898), (1997, 34544), (2032, 33949), (2159, 31952), (3994, 17272), (4318, 15976), (7988, 8636)]