2218216

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{277}}^1$

素因数の和:314

約数の個数: 64

約数和(自身を含む): 5604480

約数和(自身を除く): 3386264

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 22, 26, 28, 44, 52, 56, 77, 88, 91, 104, 143, 154, 182, 277, 286, 308, 364, 554, 572, 616, 728, 1001, 1108, 1144, 1939, 2002, 2216, 3047, 3601, 3878, 4004, 6094, 7202, 7756, 8008, 12188, 14404, 15512, 21329, 24376, 25207, 28808, 39611, 42658, 50414, 79222, 85316, 100828, 158444, 170632, 201656, 277277, 316888, 554554, 1109108, 2218216]

約数ペア:

[(1, 2218216), (2, 1109108), (4, 554554), (7, 316888), (8, 277277), (11, 201656), (13, 170632), (14, 158444), (22, 100828), (26, 85316), (28, 79222), (44, 50414), (52, 42658), (56, 39611), (77, 28808), (88, 25207), (91, 24376), (104, 21329), (143, 15512), (154, 14404), (182, 12188), (277, 8008), (286, 7756), (308, 7202), (364, 6094), (554, 4004), (572, 3878), (616, 3601), (728, 3047), (1001, 2216), (1108, 2002), (1144, 1939)]