1321157375

素因数分解:

$5^3\times {\mathrm{23}}^1\times {\mathrm{193}}^1\times {\mathrm{2381}}^1$

素因数の和:2612

約数の個数: 32

約数和(自身を含む): 1730132352

約数和(自身を除く): 408974977

約数列:

[1, 5, 23, 25, 115, 125, 193, 575, 965, 2381, 2875, 4439, 4825, 11905, 22195, 24125, 54763, 59525, 110975, 273815, 297625, 459533, 554875, 1369075, 2297665, 6845375, 10569259, 11488325, 52846295, 57441625, 264231475, 1321157375]

約数ペア:

[(1, 1321157375), (5, 264231475), (23, 57441625), (25, 52846295), (115, 11488325), (125, 10569259), (193, 6845375), (575, 2297665), (965, 1369075), (2381, 554875), (2875, 459533), (4439, 297625), (4825, 273815), (11905, 110975), (22195, 59525), (24125, 54763)]