16471623

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:136

約数の個数: 64

約数和(自身を含む): 28892160

約数和(自身を除く): 12420537

約数列:

[1, 3, 7, 17, 21, 29, 37, 43, 51, 87, 111, 119, 129, 203, 259, 301, 357, 493, 609, 629, 731, 777, 903, 1073, 1247, 1479, 1591, 1887, 2193, 3219, 3451, 3741, 4403, 4773, 5117, 7511, 8729, 10353, 11137, 13209, 15351, 18241, 21199, 22533, 26187, 27047, 33411, 46139, 54723, 63597, 81141, 127687, 138417, 148393, 189329, 322973, 383061, 445179, 567987, 784363, 968919, 2353089, 5490541, 16471623]

約数ペア:

[(1, 16471623), (3, 5490541), (7, 2353089), (17, 968919), (21, 784363), (29, 567987), (37, 445179), (43, 383061), (51, 322973), (87, 189329), (111, 148393), (119, 138417), (129, 127687), (203, 81141), (259, 63597), (301, 54723), (357, 46139), (493, 33411), (609, 27047), (629, 26187), (731, 22533), (777, 21199), (903, 18241), (1073, 15351), (1247, 13209), (1479, 11137), (1591, 10353), (1887, 8729), (2193, 7511), (3219, 5117), (3451, 4773), (3741, 4403)]