252218307

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{419}}^1$

素因数の和:516

約数の個数: 64

約数和(自身を含む): 413683200

約数和(自身を除く): 161464893

約数列:

[1, 3, 11, 17, 29, 33, 37, 51, 87, 111, 187, 319, 407, 419, 493, 561, 629, 957, 1073, 1221, 1257, 1479, 1887, 3219, 4609, 5423, 6919, 7123, 11803, 12151, 13827, 15503, 16269, 18241, 20757, 21369, 35409, 36453, 46509, 54723, 78353, 133661, 170533, 200651, 206567, 235059, 263551, 400983, 449587, 511599, 601953, 619701, 790653, 1348761, 2272237, 2899061, 4945457, 6816711, 7642979, 8697183, 14836371, 22928937, 84072769, 252218307]

約数ペア:

[(1, 252218307), (3, 84072769), (11, 22928937), (17, 14836371), (29, 8697183), (33, 7642979), (37, 6816711), (51, 4945457), (87, 2899061), (111, 2272237), (187, 1348761), (319, 790653), (407, 619701), (419, 601953), (493, 511599), (561, 449587), (629, 400983), (957, 263551), (1073, 235059), (1221, 206567), (1257, 200651), (1479, 170533), (1887, 133661), (3219, 78353), (4609, 54723), (5423, 46509), (6919, 36453), (7123, 35409), (11803, 21369), (12151, 20757), (13827, 18241), (15503, 16269)]