1978856

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{199}}^1$

素因数の和:329

約数の個数: 32

約数和(自身を含む): 4104000

約数和(自身を除く): 2125144

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 113, 199, 226, 398, 452, 796, 904, 1243, 1592, 2189, 2486, 4378, 4972, 8756, 9944, 17512, 22487, 44974, 89948, 179896, 247357, 494714, 989428, 1978856]

約数ペア:

[(1, 1978856), (2, 989428), (4, 494714), (8, 247357), (11, 179896), (22, 89948), (44, 44974), (88, 22487), (113, 17512), (199, 9944), (226, 8756), (398, 4972), (452, 4378), (796, 2486), (904, 2189), (1243, 1592)]