347788220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1337647}}^1$

素因数の和:1337669

約数の個数: 24

約数和(自身を含む): 786537024

約数和(自身を除く): 438748804

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1337647, 2675294, 5350588, 6688235, 13376470, 17389411, 26752940, 34778822, 69557644, 86947055, 173894110, 347788220]

約数ペア:

[(1, 347788220), (2, 173894110), (4, 86947055), (5, 69557644), (10, 34778822), (13, 26752940), (20, 17389411), (26, 13376470), (52, 6688235), (65, 5350588), (130, 2675294), (260, 1337647)]