85787984

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{1601}}^1$

素因数の和:1823

約数の個数: 40

約数和(自身を含む): 176995368

約数和(自身を除く): 91207384

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 197, 272, 394, 788, 1576, 1601, 3152, 3202, 3349, 6404, 6698, 12808, 13396, 25616, 26792, 27217, 53584, 54434, 108868, 217736, 315397, 435472, 630794, 1261588, 2523176, 5046352, 5361749, 10723498, 21446996, 42893992, 85787984]

約数ペア:

[(1, 85787984), (2, 42893992), (4, 21446996), (8, 10723498), (16, 5361749), (17, 5046352), (34, 2523176), (68, 1261588), (136, 630794), (197, 435472), (272, 315397), (394, 217736), (788, 108868), (1576, 54434), (1601, 53584), (3152, 27217), (3202, 26792), (3349, 25616), (6404, 13396), (6698, 12808)]