636973328

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{409}}^1$

素因数の和:592

約数の個数: 80

約数和(自身を含む): 1342176000

約数和(自身を除く): 705202672

約数列:

[1, 2, 4, 8, 16, 19, 38, 47, 76, 94, 109, 152, 188, 218, 304, 376, 409, 436, 752, 818, 872, 893, 1636, 1744, 1786, 2071, 3272, 3572, 4142, 5123, 6544, 7144, 7771, 8284, 10246, 14288, 15542, 16568, 19223, 20492, 31084, 33136, 38446, 40984, 44581, 62168, 76892, 81968, 89162, 97337, 124336, 153784, 178324, 194674, 307568, 356648, 365237, 389348, 713296, 730474, 778696, 847039, 1460948, 1557392, 1694078, 2095307, 2921896, 3388156, 4190614, 5843792, 6776312, 8381228, 13552624, 16762456, 33524912, 39810833, 79621666, 159243332, 318486664, 636973328]

約数ペア:

[(1, 636973328), (2, 318486664), (4, 159243332), (8, 79621666), (16, 39810833), (19, 33524912), (38, 16762456), (47, 13552624), (76, 8381228), (94, 6776312), (109, 5843792), (152, 4190614), (188, 3388156), (218, 2921896), (304, 2095307), (376, 1694078), (409, 1557392), (436, 1460948), (752, 847039), (818, 778696), (872, 730474), (893, 713296), (1636, 389348), (1744, 365237), (1786, 356648), (2071, 307568), (3272, 194674), (3572, 178324), (4142, 153784), (5123, 124336), (6544, 97337), (7144, 89162), (7771, 81968), (8284, 76892), (10246, 62168), (14288, 44581), (15542, 40984), (16568, 38446), (19223, 33136), (20492, 31084)]