8820245

素因数分解:

$5^1\times 7^3\times {\mathrm{37}}^1\times {\mathrm{139}}^1$

素因数の和:202

約数の個数: 32

約数和(自身を含む): 12768000

約数和(自身を除く): 3947755

約数列:

[1, 5, 7, 35, 37, 49, 139, 185, 245, 259, 343, 695, 973, 1295, 1715, 1813, 4865, 5143, 6811, 9065, 12691, 25715, 34055, 36001, 47677, 63455, 180005, 238385, 252007, 1260035, 1764049, 8820245]

約数ペア:

[(1, 8820245), (5, 1764049), (7, 1260035), (35, 252007), (37, 238385), (49, 180005), (139, 63455), (185, 47677), (245, 36001), (259, 34055), (343, 25715), (695, 12691), (973, 9065), (1295, 6811), (1715, 5143), (1813, 4865)]