638447615

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{577}}^1\times {\mathrm{587}}^1$

素因数の和:1211

約数の個数: 32

約数和(自身を含む): 856457280

約数和(自身を除く): 218009665

約数列:

[1, 5, 13, 29, 65, 145, 377, 577, 587, 1885, 2885, 2935, 7501, 7631, 16733, 17023, 37505, 38155, 83665, 85115, 217529, 221299, 338699, 1087645, 1106495, 1693495, 4403087, 9822271, 22015435, 49111355, 127689523, 638447615]

約数ペア:

[(1, 638447615), (5, 127689523), (13, 49111355), (29, 22015435), (65, 9822271), (145, 4403087), (377, 1693495), (577, 1106495), (587, 1087645), (1885, 338699), (2885, 221299), (2935, 217529), (7501, 85115), (7631, 83665), (16733, 38155), (17023, 37505)]