28003352

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{337}}^1$

素因数の和:420

約数の個数: 64

約数和(自身を含む): 61326720

約数和(自身を除く): 33323368

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 47, 52, 68, 94, 104, 136, 188, 221, 337, 376, 442, 611, 674, 799, 884, 1222, 1348, 1598, 1768, 2444, 2696, 3196, 4381, 4888, 5729, 6392, 8762, 10387, 11458, 15839, 17524, 20774, 22916, 31678, 35048, 41548, 45832, 63356, 74477, 83096, 126712, 148954, 205907, 269263, 297908, 411814, 538526, 595816, 823628, 1077052, 1647256, 2154104, 3500419, 7000838, 14001676, 28003352]

約数ペア:

[(1, 28003352), (2, 14001676), (4, 7000838), (8, 3500419), (13, 2154104), (17, 1647256), (26, 1077052), (34, 823628), (47, 595816), (52, 538526), (68, 411814), (94, 297908), (104, 269263), (136, 205907), (188, 148954), (221, 126712), (337, 83096), (376, 74477), (442, 63356), (611, 45832), (674, 41548), (799, 35048), (884, 31678), (1222, 22916), (1348, 20774), (1598, 17524), (1768, 15839), (2444, 11458), (2696, 10387), (3196, 8762), (4381, 6392), (4888, 5729)]