128790828

素因数分解:

$2^2\times 3^2\times {\mathrm{409}}^1\times {\mathrm{8747}}^1$

素因数の和:9166

約数の個数: 36

約数和(自身を含む): 326387880

約数和(自身を除く): 197597052

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 409, 818, 1227, 1636, 2454, 3681, 4908, 7362, 8747, 14724, 17494, 26241, 34988, 52482, 78723, 104964, 157446, 314892, 3577523, 7155046, 10732569, 14310092, 21465138, 32197707, 42930276, 64395414, 128790828]

約数ペア:

[(1, 128790828), (2, 64395414), (3, 42930276), (4, 32197707), (6, 21465138), (9, 14310092), (12, 10732569), (18, 7155046), (36, 3577523), (409, 314892), (818, 157446), (1227, 104964), (1636, 78723), (2454, 52482), (3681, 34988), (4908, 26241), (7362, 17494), (8747, 14724)]