16987516

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{113}}^1$

素因数の和:203

約数の個数: 72

約数和(自身を含む): 38208240

約数和(自身を除く): 21220724

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 59, 91, 98, 113, 118, 182, 196, 226, 236, 364, 413, 452, 637, 767, 791, 826, 1274, 1469, 1534, 1582, 1652, 2548, 2891, 2938, 3068, 3164, 5369, 5537, 5782, 5876, 6667, 10283, 10738, 11074, 11564, 13334, 20566, 21476, 22148, 26668, 37583, 41132, 46669, 71981, 75166, 86671, 93338, 143962, 150332, 173342, 186676, 287924, 326683, 346684, 606697, 653366, 1213394, 1306732, 2426788, 4246879, 8493758, 16987516]

約数ペア:

[(1, 16987516), (2, 8493758), (4, 4246879), (7, 2426788), (13, 1306732), (14, 1213394), (26, 653366), (28, 606697), (49, 346684), (52, 326683), (59, 287924), (91, 186676), (98, 173342), (113, 150332), (118, 143962), (182, 93338), (196, 86671), (226, 75166), (236, 71981), (364, 46669), (413, 41132), (452, 37583), (637, 26668), (767, 22148), (791, 21476), (826, 20566), (1274, 13334), (1469, 11564), (1534, 11074), (1582, 10738), (1652, 10283), (2548, 6667), (2891, 5876), (2938, 5782), (3068, 5537), (3164, 5369)]