1639341781

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1\times {\mathrm{3163}}^1$

素因数の和:3361

約数の個数: 32

約数和(自身を含む): 2099478528

約数和(自身を除く): 460136747

約数列:

[1, 7, 11, 53, 77, 127, 371, 583, 889, 1397, 3163, 4081, 6731, 9779, 22141, 34793, 47117, 74041, 167639, 243551, 401701, 518287, 1173473, 1844029, 2811907, 4418711, 12908203, 21290153, 30930977, 149031071, 234191683, 1639341781]

約数ペア:

[(1, 1639341781), (7, 234191683), (11, 149031071), (53, 30930977), (77, 21290153), (127, 12908203), (371, 4418711), (583, 2811907), (889, 1844029), (1397, 1173473), (3163, 518287), (4081, 401701), (6731, 243551), (9779, 167639), (22141, 74041), (34793, 47117)]