638971888

素因数分解:

$2^4\times {\mathrm{59}}^1\times {\mathrm{131}}^1\times {\mathrm{5167}}^1$

素因数の和:5365

約数の個数: 40

約数和(自身を含む): 1268847360

約数和(自身を除く): 629875472

約数列:

[1, 2, 4, 8, 16, 59, 118, 131, 236, 262, 472, 524, 944, 1048, 2096, 5167, 7729, 10334, 15458, 20668, 30916, 41336, 61832, 82672, 123664, 304853, 609706, 676877, 1219412, 1353754, 2438824, 2707508, 4877648, 5415016, 10830032, 39935743, 79871486, 159742972, 319485944, 638971888]

約数ペア:

[(1, 638971888), (2, 319485944), (4, 159742972), (8, 79871486), (16, 39935743), (59, 10830032), (118, 5415016), (131, 4877648), (236, 2707508), (262, 2438824), (472, 1353754), (524, 1219412), (944, 676877), (1048, 609706), (2096, 304853), (5167, 123664), (7729, 82672), (10334, 61832), (15458, 41336), (20668, 30916)]