256250533

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1$

素因数の和:274

約数の個数: 48

約数和(自身を含む): 338913792

約数和(自身を除く): 82663259

約数列:

[1, 7, 11, 41, 47, 77, 121, 157, 287, 329, 451, 517, 847, 1099, 1727, 1927, 3157, 3619, 4961, 5687, 6437, 7379, 12089, 13489, 18997, 21197, 34727, 39809, 45059, 51653, 70807, 81169, 132979, 148379, 233167, 302539, 495649, 568183, 778877, 892859, 1632169, 2117773, 3327929, 5452139, 6250013, 23295503, 36607219, 256250533]

約数ペア:

[(1, 256250533), (7, 36607219), (11, 23295503), (41, 6250013), (47, 5452139), (77, 3327929), (121, 2117773), (157, 1632169), (287, 892859), (329, 778877), (451, 568183), (517, 495649), (847, 302539), (1099, 233167), (1727, 148379), (1927, 132979), (3157, 81169), (3619, 70807), (4961, 51653), (5687, 45059), (6437, 39809), (7379, 34727), (12089, 21197), (13489, 18997)]