645048943

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{26261}}^1$

素因数の和:26319

約数の個数: 24

約数和(自身を含む): 838283040

約数和(自身を除く): 193234097

約数列:

[1, 7, 11, 29, 77, 121, 203, 319, 847, 2233, 3509, 24563, 26261, 183827, 288871, 761569, 2022097, 3177581, 5330983, 8377259, 22243067, 58640813, 92149849, 645048943]

約数ペア:

[(1, 645048943), (7, 92149849), (11, 58640813), (29, 22243067), (77, 8377259), (121, 5330983), (203, 3177581), (319, 2022097), (847, 761569), (2233, 288871), (3509, 183827), (24563, 26261)]