199987898

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{347}}^1$

素因数の和:467

約数の個数: 64

約数和(自身を含む): 368022528

約数和(自身を除く): 168034630

約数列:

[1, 2, 11, 17, 22, 23, 34, 46, 67, 134, 187, 253, 347, 374, 391, 506, 694, 737, 782, 1139, 1474, 1541, 2278, 3082, 3817, 4301, 5899, 7634, 7981, 8602, 11798, 12529, 15962, 16951, 23249, 25058, 26197, 33902, 46498, 52394, 64889, 87791, 129778, 135677, 175582, 255739, 271354, 288167, 395233, 511478, 534727, 576334, 790466, 1069454, 1492447, 2984894, 4347563, 5881997, 8695126, 9090359, 11763994, 18180718, 99993949, 199987898]

約数ペア:

[(1, 199987898), (2, 99993949), (11, 18180718), (17, 11763994), (22, 9090359), (23, 8695126), (34, 5881997), (46, 4347563), (67, 2984894), (134, 1492447), (187, 1069454), (253, 790466), (347, 576334), (374, 534727), (391, 511478), (506, 395233), (694, 288167), (737, 271354), (782, 255739), (1139, 175582), (1474, 135677), (1541, 129778), (2278, 87791), (3082, 64889), (3817, 52394), (4301, 46498), (5899, 33902), (7634, 26197), (7981, 25058), (8602, 23249), (11798, 16951), (12529, 15962)]