257831104

素因数分解:

$2^6\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{2467}}^1$

素因数の和:2573

約数の個数: 56

約数和(自身を含む): 541617408

約数和(自身を除く): 283786304

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 64, 71, 92, 142, 184, 284, 368, 568, 736, 1136, 1472, 1633, 2272, 2467, 3266, 4544, 4934, 6532, 9868, 13064, 19736, 26128, 39472, 52256, 56741, 78944, 104512, 113482, 157888, 175157, 226964, 350314, 453928, 700628, 907856, 1401256, 1815712, 2802512, 3631424, 4028611, 5605024, 8057222, 11210048, 16114444, 32228888, 64457776, 128915552, 257831104]

約数ペア:

[(1, 257831104), (2, 128915552), (4, 64457776), (8, 32228888), (16, 16114444), (23, 11210048), (32, 8057222), (46, 5605024), (64, 4028611), (71, 3631424), (92, 2802512), (142, 1815712), (184, 1401256), (284, 907856), (368, 700628), (568, 453928), (736, 350314), (1136, 226964), (1472, 175157), (1633, 157888), (2272, 113482), (2467, 104512), (3266, 78944), (4544, 56741), (4934, 52256), (6532, 39472), (9868, 26128), (13064, 19736)]