320877778

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{293}}^1\times {\mathrm{577}}^1$

素因数の和:958

約数の個数: 32

約数和(自身を含む): 528148656

約数和(自身を除く): 207270878

約数列:

[1, 2, 13, 26, 73, 146, 293, 577, 586, 949, 1154, 1898, 3809, 7501, 7618, 15002, 21389, 42121, 42778, 84242, 169061, 278057, 338122, 547573, 556114, 1095146, 2197793, 4395586, 12341453, 24682906, 160438889, 320877778]

約数ペア:

[(1, 320877778), (2, 160438889), (13, 24682906), (26, 12341453), (73, 4395586), (146, 2197793), (293, 1095146), (577, 556114), (586, 547573), (949, 338122), (1154, 278057), (1898, 169061), (3809, 84242), (7501, 42778), (7618, 42121), (15002, 21389)]