161738395

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{373}}^1\times {\mathrm{953}}^1$

素因数の和:1351

約数の個数: 32

約数和(自身を含む): 239766912

約数和(自身を除く): 78028517

約数列:

[1, 5, 7, 13, 35, 65, 91, 373, 455, 953, 1865, 2611, 4765, 4849, 6671, 12389, 13055, 24245, 33355, 33943, 61945, 86723, 169715, 355469, 433615, 1777345, 2488283, 4621097, 12441415, 23105485, 32347679, 161738395]

約数ペア:

[(1, 161738395), (5, 32347679), (7, 23105485), (13, 12441415), (35, 4621097), (65, 2488283), (91, 1777345), (373, 433615), (455, 355469), (953, 169715), (1865, 86723), (2611, 61945), (4765, 33943), (4849, 33355), (6671, 24245), (12389, 13055)]