213291248

素因数分解:

$2^4\times {\mathrm{17}}^2\times {\mathrm{193}}^1\times {\mathrm{239}}^1$

素因数の和:474

約数の個数: 60

約数和(自身を含む): 443111520

約数和(自身を除く): 229820272

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 193, 239, 272, 289, 386, 478, 578, 772, 956, 1156, 1544, 1912, 2312, 3088, 3281, 3824, 4063, 4624, 6562, 8126, 13124, 16252, 26248, 32504, 46127, 52496, 55777, 65008, 69071, 92254, 111554, 138142, 184508, 223108, 276284, 369016, 446216, 552568, 738032, 784159, 892432, 1105136, 1568318, 3136636, 6273272, 12546544, 13330703, 26661406, 53322812, 106645624, 213291248]

約数ペア:

[(1, 213291248), (2, 106645624), (4, 53322812), (8, 26661406), (16, 13330703), (17, 12546544), (34, 6273272), (68, 3136636), (136, 1568318), (193, 1105136), (239, 892432), (272, 784159), (289, 738032), (386, 552568), (478, 446216), (578, 369016), (772, 276284), (956, 223108), (1156, 184508), (1544, 138142), (1912, 111554), (2312, 92254), (3088, 69071), (3281, 65008), (3824, 55777), (4063, 52496), (4624, 46127), (6562, 32504), (8126, 26248), (13124, 16252)]