211344828

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{21557}}^1$

素因数の和:21626

約数の個数: 48

約数和(自身を含む): 531189120

約数和(自身を除く): 319844292

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 43, 57, 76, 86, 114, 129, 172, 228, 258, 516, 817, 1634, 2451, 3268, 4902, 9804, 21557, 43114, 64671, 86228, 129342, 258684, 409583, 819166, 926951, 1228749, 1638332, 1853902, 2457498, 2780853, 3707804, 4914996, 5561706, 11123412, 17612069, 35224138, 52836207, 70448276, 105672414, 211344828]

約数ペア:

[(1, 211344828), (2, 105672414), (3, 70448276), (4, 52836207), (6, 35224138), (12, 17612069), (19, 11123412), (38, 5561706), (43, 4914996), (57, 3707804), (76, 2780853), (86, 2457498), (114, 1853902), (129, 1638332), (172, 1228749), (228, 926951), (258, 819166), (516, 409583), (817, 258684), (1634, 129342), (2451, 86228), (3268, 64671), (4902, 43114), (9804, 21557)]