16291256191

素因数分解:

$7^1\times {\mathrm{157}}^1\times {\mathrm{163}}^1\times {\mathrm{199}}^1\times {\mathrm{457}}^1$

素因数の和:983

約数の個数: 32

約数和(自身を含む): 18988313600

約数和(自身を除く): 2697057409

約数列:

[1, 7, 157, 163, 199, 457, 1099, 1141, 1393, 3199, 25591, 31243, 32437, 71749, 74491, 90943, 179137, 218701, 227059, 502243, 521437, 636601, 5092609, 11695087, 14278051, 14823709, 35648263, 81865609, 99946357, 103765963, 2327322313, 16291256191]

約数ペア:

[(1, 16291256191), (7, 2327322313), (157, 103765963), (163, 99946357), (199, 81865609), (457, 35648263), (1099, 14823709), (1141, 14278051), (1393, 11695087), (3199, 5092609), (25591, 636601), (31243, 521437), (32437, 502243), (71749, 227059), (74491, 218701), (90943, 179137)]