289205874

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{491}}^1\times {\mathrm{761}}^1$

素因数の和:1303

約数の個数: 48

約数和(自身を含む): 643335264

約数和(自身を除く): 354129390

約数列:

[1, 2, 3, 6, 9, 18, 43, 86, 129, 258, 387, 491, 761, 774, 982, 1473, 1522, 2283, 2946, 4419, 4566, 6849, 8838, 13698, 21113, 32723, 42226, 63339, 65446, 98169, 126678, 190017, 196338, 294507, 373651, 380034, 589014, 747302, 1120953, 2241906, 3362859, 6725718, 16066993, 32133986, 48200979, 96401958, 144602937, 289205874]

約数ペア:

[(1, 289205874), (2, 144602937), (3, 96401958), (6, 48200979), (9, 32133986), (18, 16066993), (43, 6725718), (86, 3362859), (129, 2241906), (258, 1120953), (387, 747302), (491, 589014), (761, 380034), (774, 373651), (982, 294507), (1473, 196338), (1522, 190017), (2283, 126678), (2946, 98169), (4419, 65446), (4566, 63339), (6849, 42226), (8838, 32723), (13698, 21113)]