1638000008

素因数分解:

$2^3\times {\mathrm{47}}^2\times {\mathrm{59}}^1\times {\mathrm{1571}}^1$

素因数の和:1730

約数の個数: 48

約数和(自身を含む): 3193203600

約数和(自身を除く): 1555203592

約数列:

[1, 2, 4, 8, 47, 59, 94, 118, 188, 236, 376, 472, 1571, 2209, 2773, 3142, 4418, 5546, 6284, 8836, 11092, 12568, 17672, 22184, 73837, 92689, 130331, 147674, 185378, 260662, 295348, 370756, 521324, 590696, 741512, 1042648, 3470339, 4356383, 6940678, 8712766, 13881356, 17425532, 27762712, 34851064, 204750001, 409500002, 819000004, 1638000008]

約数ペア:

[(1, 1638000008), (2, 819000004), (4, 409500002), (8, 204750001), (47, 34851064), (59, 27762712), (94, 17425532), (118, 13881356), (188, 8712766), (236, 6940678), (376, 4356383), (472, 3470339), (1571, 1042648), (2209, 741512), (2773, 590696), (3142, 521324), (4418, 370756), (5546, 295348), (6284, 260662), (8836, 185378), (11092, 147674), (12568, 130331), (17672, 92689), (22184, 73837)]