319652785

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{157}}^1\times {\mathrm{1409}}^1$

素因数の和:1605

約数の個数: 24

約数和(自身を含む): 410360760

約数和(自身を除く): 90707975

約数列:

[1, 5, 17, 85, 157, 289, 785, 1409, 1445, 2669, 7045, 13345, 23953, 45373, 119765, 221213, 226865, 407201, 1106065, 2036005, 3760621, 18803105, 63930557, 319652785]

約数ペア:

[(1, 319652785), (5, 63930557), (17, 18803105), (85, 3760621), (157, 2036005), (289, 1106065), (785, 407201), (1409, 226865), (1445, 221213), (2669, 119765), (7045, 45373), (13345, 23953)]