205310768

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1873}}^1$

素因数の和:1942

約数の個数: 80

約数和(自身を含む): 468470016

約数和(自身を除く): 263159248

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 31, 34, 52, 62, 68, 104, 124, 136, 208, 221, 248, 272, 403, 442, 496, 527, 806, 884, 1054, 1612, 1768, 1873, 2108, 3224, 3536, 3746, 4216, 6448, 6851, 7492, 8432, 13702, 14984, 24349, 27404, 29968, 31841, 48698, 54808, 58063, 63682, 97396, 109616, 116126, 127364, 194792, 232252, 254728, 389584, 413933, 464504, 509456, 754819, 827866, 929008, 987071, 1509638, 1655732, 1974142, 3019276, 3311464, 3948284, 6038552, 6622928, 7896568, 12077104, 12831923, 15793136, 25663846, 51327692, 102655384, 205310768]

約数ペア:

[(1, 205310768), (2, 102655384), (4, 51327692), (8, 25663846), (13, 15793136), (16, 12831923), (17, 12077104), (26, 7896568), (31, 6622928), (34, 6038552), (52, 3948284), (62, 3311464), (68, 3019276), (104, 1974142), (124, 1655732), (136, 1509638), (208, 987071), (221, 929008), (248, 827866), (272, 754819), (403, 509456), (442, 464504), (496, 413933), (527, 389584), (806, 254728), (884, 232252), (1054, 194792), (1612, 127364), (1768, 116126), (1873, 109616), (2108, 97396), (3224, 63682), (3536, 58063), (3746, 54808), (4216, 48698), (6448, 31841), (6851, 29968), (7492, 27404), (8432, 24349), (13702, 14984)]