989290435

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{379}}^1$

素因数の和:556

約数の個数: 64

約数和(自身を含む): 1489259520

約数和(自身を除く): 499969085

約数列:

[1, 5, 7, 17, 35, 41, 85, 107, 119, 205, 287, 379, 535, 595, 697, 749, 1435, 1819, 1895, 2653, 3485, 3745, 4387, 4879, 6443, 9095, 12733, 13265, 15539, 21935, 24395, 30709, 32215, 40553, 45101, 63665, 74579, 77695, 108773, 153545, 202765, 225505, 264163, 283871, 372895, 522053, 543865, 689401, 1320815, 1419355, 1662673, 1849141, 2610265, 3447005, 4825807, 8313365, 9245705, 11638711, 24129035, 28265441, 58193555, 141327205, 197858087, 989290435]

約数ペア:

[(1, 989290435), (5, 197858087), (7, 141327205), (17, 58193555), (35, 28265441), (41, 24129035), (85, 11638711), (107, 9245705), (119, 8313365), (205, 4825807), (287, 3447005), (379, 2610265), (535, 1849141), (595, 1662673), (697, 1419355), (749, 1320815), (1435, 689401), (1819, 543865), (1895, 522053), (2653, 372895), (3485, 283871), (3745, 264163), (4387, 225505), (4879, 202765), (6443, 153545), (9095, 108773), (12733, 77695), (13265, 74579), (15539, 63665), (21935, 45101), (24395, 40553), (30709, 32215)]