204514765

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{577}}^1$

素因数の和:662

約数の個数: 64

約数和(自身を含む): 326269440

約数和(自身を除く): 121754675

約数列:

[1, 5, 7, 13, 19, 35, 41, 65, 91, 95, 133, 205, 247, 287, 455, 533, 577, 665, 779, 1235, 1435, 1729, 2665, 2885, 3731, 3895, 4039, 5453, 7501, 8645, 10127, 10963, 18655, 20195, 23657, 27265, 37505, 50635, 52507, 54815, 70889, 76741, 118285, 142519, 165599, 262535, 307541, 354445, 383705, 449483, 712595, 827995, 997633, 1537705, 2152787, 2247415, 3146381, 4988165, 5843279, 10763935, 15731905, 29216395, 40902953, 204514765]

約数ペア:

[(1, 204514765), (5, 40902953), (7, 29216395), (13, 15731905), (19, 10763935), (35, 5843279), (41, 4988165), (65, 3146381), (91, 2247415), (95, 2152787), (133, 1537705), (205, 997633), (247, 827995), (287, 712595), (455, 449483), (533, 383705), (577, 354445), (665, 307541), (779, 262535), (1235, 165599), (1435, 142519), (1729, 118285), (2665, 76741), (2885, 70889), (3731, 54815), (3895, 52507), (4039, 50635), (5453, 37505), (7501, 27265), (8645, 23657), (10127, 20195), (10963, 18655)]