39970315

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1$

素因数の和:268

約数の個数: 64

約数和(自身を含む): 65691648

約数和(自身を除く): 25721333

約数列:

[1, 5, 7, 11, 17, 31, 35, 55, 77, 85, 119, 155, 187, 197, 217, 341, 385, 527, 595, 935, 985, 1085, 1309, 1379, 1705, 2167, 2387, 2635, 3349, 3689, 5797, 6107, 6545, 6895, 10835, 11935, 15169, 16745, 18445, 23443, 28985, 30535, 36839, 40579, 42749, 67177, 75845, 103819, 117215, 184195, 202895, 213745, 257873, 335885, 470239, 519095, 726733, 1142009, 1289365, 2351195, 3633665, 5710045, 7994063, 39970315]

約数ペア:

[(1, 39970315), (5, 7994063), (7, 5710045), (11, 3633665), (17, 2351195), (31, 1289365), (35, 1142009), (55, 726733), (77, 519095), (85, 470239), (119, 335885), (155, 257873), (187, 213745), (197, 202895), (217, 184195), (341, 117215), (385, 103819), (527, 75845), (595, 67177), (935, 42749), (985, 40579), (1085, 36839), (1309, 30535), (1379, 28985), (1705, 23443), (2167, 18445), (2387, 16745), (2635, 15169), (3349, 11935), (3689, 10835), (5797, 6895), (6107, 6545)]