255741382

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1$

素因数の和:293

約数の個数: 64

約数和(自身を含む): 448487424

約数和(自身を除く): 192746042

約数列:

[1, 2, 13, 26, 31, 43, 47, 62, 86, 94, 157, 314, 403, 559, 611, 806, 1118, 1222, 1333, 1457, 2021, 2041, 2666, 2914, 4042, 4082, 4867, 6751, 7379, 9734, 13502, 14758, 17329, 18941, 26273, 34658, 37882, 52546, 62651, 63271, 87763, 95927, 125302, 126542, 175526, 191854, 209281, 228749, 317297, 418562, 457498, 634594, 814463, 1628926, 2720653, 2973737, 4124861, 5441306, 5947474, 8249722, 9836207, 19672414, 127870691, 255741382]

約数ペア:

[(1, 255741382), (2, 127870691), (13, 19672414), (26, 9836207), (31, 8249722), (43, 5947474), (47, 5441306), (62, 4124861), (86, 2973737), (94, 2720653), (157, 1628926), (314, 814463), (403, 634594), (559, 457498), (611, 418562), (806, 317297), (1118, 228749), (1222, 209281), (1333, 191854), (1457, 175526), (2021, 126542), (2041, 125302), (2666, 95927), (2914, 87763), (4042, 63271), (4082, 62651), (4867, 52546), (6751, 37882), (7379, 34658), (9734, 26273), (13502, 18941), (14758, 17329)]