91471016

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{389}}^1$

素因数の和:451

約数の個数: 128

約数和(自身を含む): 235872000

約数和(自身を除く): 144400984

約数列:

[1, 2, 4, 7, 8, 13, 14, 17, 19, 26, 28, 34, 38, 52, 56, 68, 76, 91, 104, 119, 133, 136, 152, 182, 221, 238, 247, 266, 323, 364, 389, 442, 476, 494, 532, 646, 728, 778, 884, 952, 988, 1064, 1292, 1547, 1556, 1729, 1768, 1976, 2261, 2584, 2723, 3094, 3112, 3458, 4199, 4522, 5057, 5446, 6188, 6613, 6916, 7391, 8398, 9044, 10114, 10892, 12376, 13226, 13832, 14782, 16796, 18088, 20228, 21784, 26452, 29393, 29564, 33592, 35399, 40456, 46291, 51737, 52904, 58786, 59128, 70798, 85969, 92582, 96083, 103474, 117572, 125647, 141596, 171938, 185164, 192166, 206948, 235144, 251294, 283192, 343876, 370328, 384332, 413896, 502588, 601783, 672581, 687752, 768664, 879529, 1005176, 1203566, 1345162, 1633411, 1759058, 2407132, 2690324, 3266822, 3518116, 4814264, 5380648, 6533644, 7036232, 11433877, 13067288, 22867754, 45735508, 91471016]

約数ペア:

[(1, 91471016), (2, 45735508), (4, 22867754), (7, 13067288), (8, 11433877), (13, 7036232), (14, 6533644), (17, 5380648), (19, 4814264), (26, 3518116), (28, 3266822), (34, 2690324), (38, 2407132), (52, 1759058), (56, 1633411), (68, 1345162), (76, 1203566), (91, 1005176), (104, 879529), (119, 768664), (133, 687752), (136, 672581), (152, 601783), (182, 502588), (221, 413896), (238, 384332), (247, 370328), (266, 343876), (323, 283192), (364, 251294), (389, 235144), (442, 206948), (476, 192166), (494, 185164), (532, 171938), (646, 141596), (728, 125647), (778, 117572), (884, 103474), (952, 96083), (988, 92582), (1064, 85969), (1292, 70798), (1547, 59128), (1556, 58786), (1729, 52904), (1768, 51737), (1976, 46291), (2261, 40456), (2584, 35399), (2723, 33592), (3094, 29564), (3112, 29393), (3458, 26452), (4199, 21784), (4522, 20228), (5057, 18088), (5446, 16796), (6188, 14782), (6613, 13832), (6916, 13226), (7391, 12376), (8398, 10892), (9044, 10114)]