78139310

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{419}}^1\times {\mathrm{1097}}^1$

素因数の和:1540

約数の個数: 32

約数和(自身を含む): 149415840

約数和(自身を除く): 71276530

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 419, 838, 1097, 2095, 2194, 4190, 5485, 7123, 10970, 14246, 18649, 35615, 37298, 71230, 93245, 186490, 459643, 919286, 2298215, 4596430, 7813931, 15627862, 39069655, 78139310]

約数ペア:

[(1, 78139310), (2, 39069655), (5, 15627862), (10, 7813931), (17, 4596430), (34, 2298215), (85, 919286), (170, 459643), (419, 186490), (838, 93245), (1097, 71230), (2095, 37298), (2194, 35615), (4190, 18649), (5485, 14246), (7123, 10970)]