256529854

素因数分解:

$2^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{197}}^1\times {\mathrm{1979}}^1$

素因数の和:2232

約数の個数: 32

約数和(自身を含む): 451630080

約数和(自身を除く): 195100226

約数列:

[1, 2, 7, 14, 47, 94, 197, 329, 394, 658, 1379, 1979, 2758, 3958, 9259, 13853, 18518, 27706, 64813, 93013, 129626, 186026, 389863, 651091, 779726, 1302182, 2729041, 5458082, 18323561, 36647122, 128264927, 256529854]

約数ペア:

[(1, 256529854), (2, 128264927), (7, 36647122), (14, 18323561), (47, 5458082), (94, 2729041), (197, 1302182), (329, 779726), (394, 651091), (658, 389863), (1379, 186026), (1979, 129626), (2758, 93013), (3958, 64813), (9259, 27706), (13853, 18518)]