78442148

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{193}}^1$

素因数の和:396

約数の個数: 48

約数和(自身を含む): 150575040

約数和(自身を除く): 72132892

約数列:

[1, 2, 4, 17, 34, 43, 68, 86, 139, 172, 193, 278, 386, 556, 731, 772, 1462, 2363, 2924, 3281, 4726, 5977, 6562, 8299, 9452, 11954, 13124, 16598, 23908, 26827, 33196, 53654, 101609, 107308, 141083, 203218, 282166, 406436, 456059, 564332, 912118, 1153561, 1824236, 2307122, 4614244, 19610537, 39221074, 78442148]

約数ペア:

[(1, 78442148), (2, 39221074), (4, 19610537), (17, 4614244), (34, 2307122), (43, 1824236), (68, 1153561), (86, 912118), (139, 564332), (172, 456059), (193, 406436), (278, 282166), (386, 203218), (556, 141083), (731, 107308), (772, 101609), (1462, 53654), (2363, 33196), (2924, 26827), (3281, 23908), (4726, 16598), (5977, 13124), (6562, 11954), (8299, 9452)]