1645292

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{613}}^1$

素因数の和:689

約数の個数: 24

約数和(自身を含む): 3197712

約数和(自身を除く): 1552420

約数列:

[1, 2, 4, 11, 22, 44, 61, 122, 244, 613, 671, 1226, 1342, 2452, 2684, 6743, 13486, 26972, 37393, 74786, 149572, 411323, 822646, 1645292]

約数ペア:

[(1, 1645292), (2, 822646), (4, 411323), (11, 149572), (22, 74786), (44, 37393), (61, 26972), (122, 13486), (244, 6743), (613, 2684), (671, 2452), (1226, 1342)]