215003256

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{689113}}^1$

素因数の和:689135

約数の個数: 32

約数和(自身を含む): 578855760

約数和(自身を除く): 363852504

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 689113, 1378226, 2067339, 2756452, 4134678, 5512904, 8269356, 8958469, 16538712, 17916938, 26875407, 35833876, 53750814, 71667752, 107501628, 215003256]

約数ペア:

[(1, 215003256), (2, 107501628), (3, 71667752), (4, 53750814), (6, 35833876), (8, 26875407), (12, 17916938), (13, 16538712), (24, 8958469), (26, 8269356), (39, 5512904), (52, 4134678), (78, 2756452), (104, 2067339), (156, 1378226), (312, 689113)]