645880334

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{1549}}^1\times {\mathrm{1723}}^1$

素因数の和:3296

約数の個数: 24

約数和(自身を含む): 1066207800

約数和(自身を除く): 420327466

約数列:

[1, 2, 11, 22, 121, 242, 1549, 1723, 3098, 3446, 17039, 18953, 34078, 37906, 187429, 208483, 374858, 416966, 2668927, 5337854, 29358197, 58716394, 322940167, 645880334]

約数ペア:

[(1, 645880334), (2, 322940167), (11, 58716394), (22, 29358197), (121, 5337854), (242, 2668927), (1549, 416966), (1723, 374858), (3098, 208483), (3446, 187429), (17039, 37906), (18953, 34078)]