2157805

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{373}}^1$

素因数の和:480

約数の個数: 16

約数和(自身を含む): 2827440

約数和(自身を除く): 669635

約数列:

[1, 5, 13, 65, 89, 373, 445, 1157, 1865, 4849, 5785, 24245, 33197, 165985, 431561, 2157805]

約数ペア:

[(1, 2157805), (5, 431561), (13, 165985), (65, 33197), (89, 24245), (373, 5785), (445, 4849), (1157, 1865)]