289883438

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{163}}^1\times {\mathrm{937}}^1$

素因数の和:1188

約数の個数: 32

約数和(自身を含む): 478109856

約数和(自身を除く): 188226418

約数列:

[1, 2, 13, 26, 73, 146, 163, 326, 937, 949, 1874, 1898, 2119, 4238, 11899, 12181, 23798, 24362, 68401, 136802, 152731, 154687, 305462, 309374, 889213, 1778426, 1985503, 3971006, 11149363, 22298726, 144941719, 289883438]

約数ペア:

[(1, 289883438), (2, 144941719), (13, 22298726), (26, 11149363), (73, 3971006), (146, 1985503), (163, 1778426), (326, 889213), (937, 309374), (949, 305462), (1874, 154687), (1898, 152731), (2119, 136802), (4238, 68401), (11899, 24362), (12181, 23798)]