256510360144

素因数分解:

$2^4\times {\mathrm{31183}}^1\times {\mathrm{514123}}^1$

素因数の和:545314

約数の個数: 20

約数和(自身を含む): 497005727296

約数和(自身を除く): 240495367152

約数列:

[1, 2, 4, 8, 16, 31183, 62366, 124732, 249464, 498928, 514123, 1028246, 2056492, 4112984, 8225968, 16031897509, 32063795018, 64127590036, 128255180072, 256510360144]

約数ペア:

[(1, 256510360144), (2, 128255180072), (4, 64127590036), (8, 32063795018), (16, 16031897509), (31183, 8225968), (62366, 4112984), (124732, 2056492), (249464, 1028246), (498928, 514123)]