1648592

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1$

素因数の和:84

約数の個数: 80

約数和(自身を含む): 4017600

約数和(自身を除く): 2369008

約数列:

[1, 2, 4, 8, 11, 16, 17, 19, 22, 29, 34, 38, 44, 58, 68, 76, 88, 116, 136, 152, 176, 187, 209, 232, 272, 304, 319, 323, 374, 418, 464, 493, 551, 638, 646, 748, 836, 986, 1102, 1276, 1292, 1496, 1672, 1972, 2204, 2552, 2584, 2992, 3344, 3553, 3944, 4408, 5104, 5168, 5423, 6061, 7106, 7888, 8816, 9367, 10846, 12122, 14212, 18734, 21692, 24244, 28424, 37468, 43384, 48488, 56848, 74936, 86768, 96976, 103037, 149872, 206074, 412148, 824296, 1648592]

約数ペア:

[(1, 1648592), (2, 824296), (4, 412148), (8, 206074), (11, 149872), (16, 103037), (17, 96976), (19, 86768), (22, 74936), (29, 56848), (34, 48488), (38, 43384), (44, 37468), (58, 28424), (68, 24244), (76, 21692), (88, 18734), (116, 14212), (136, 12122), (152, 10846), (176, 9367), (187, 8816), (209, 7888), (232, 7106), (272, 6061), (304, 5423), (319, 5168), (323, 5104), (374, 4408), (418, 3944), (464, 3553), (493, 3344), (551, 2992), (638, 2584), (646, 2552), (748, 2204), (836, 1972), (986, 1672), (1102, 1496), (1276, 1292)]