641567256

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{39839}}^1$

素因数の和:39920

約数の個数: 64

約数和(自身を含む): 1778457600

約数和(自身を除く): 1136890344

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 61, 66, 88, 122, 132, 183, 244, 264, 366, 488, 671, 732, 1342, 1464, 2013, 2684, 4026, 5368, 8052, 16104, 39839, 79678, 119517, 159356, 239034, 318712, 438229, 478068, 876458, 956136, 1314687, 1752916, 2430179, 2629374, 3505832, 4860358, 5258748, 7290537, 9720716, 10517496, 14581074, 19441432, 26731969, 29162148, 53463938, 58324296, 80195907, 106927876, 160391814, 213855752, 320783628, 641567256]

約数ペア:

[(1, 641567256), (2, 320783628), (3, 213855752), (4, 160391814), (6, 106927876), (8, 80195907), (11, 58324296), (12, 53463938), (22, 29162148), (24, 26731969), (33, 19441432), (44, 14581074), (61, 10517496), (66, 9720716), (88, 7290537), (122, 5258748), (132, 4860358), (183, 3505832), (244, 2629374), (264, 2430179), (366, 1752916), (488, 1314687), (671, 956136), (732, 876458), (1342, 478068), (1464, 438229), (2013, 318712), (2684, 239034), (4026, 159356), (5368, 119517), (8052, 79678), (16104, 39839)]