221355316

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{367}}^1\times {\mathrm{1657}}^1$

素因数の和:2048

約数の個数: 48

約数和(自身を含む): 478352896

約数和(自身を除く): 256997580

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 367, 734, 1468, 1657, 2569, 3314, 4771, 5138, 6628, 9542, 10276, 11599, 19084, 21541, 23198, 33397, 43082, 46396, 66794, 86164, 133588, 150787, 301574, 603148, 608119, 1216238, 2432476, 4256833, 7905547, 8513666, 15811094, 17027332, 31622188, 55338829, 110677658, 221355316]

約数ペア:

[(1, 221355316), (2, 110677658), (4, 55338829), (7, 31622188), (13, 17027332), (14, 15811094), (26, 8513666), (28, 7905547), (52, 4256833), (91, 2432476), (182, 1216238), (364, 608119), (367, 603148), (734, 301574), (1468, 150787), (1657, 133588), (2569, 86164), (3314, 66794), (4771, 46396), (5138, 43082), (6628, 33397), (9542, 23198), (10276, 21541), (11599, 19084)]