559988

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1$

素因数の和:128

約数の個数: 36

約数和(自身を含む): 1173060

約数和(自身を除く): 613072

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 89, 121, 143, 178, 242, 286, 356, 484, 572, 979, 1157, 1573, 1958, 2314, 3146, 3916, 4628, 6292, 10769, 12727, 21538, 25454, 43076, 50908, 139997, 279994, 559988]

約数ペア:

[(1, 559988), (2, 279994), (4, 139997), (11, 50908), (13, 43076), (22, 25454), (26, 21538), (44, 12727), (52, 10769), (89, 6292), (121, 4628), (143, 3916), (178, 3146), (242, 2314), (286, 1958), (356, 1573), (484, 1157), (572, 979)]