223141745

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{727}}^1$

素因数の和:929

約数の個数: 32

約数和(自身を含む): 298142208

約数和(自身を除く): 75000463

約数列:

[1, 5, 17, 23, 85, 115, 157, 391, 727, 785, 1955, 2669, 3611, 3635, 12359, 13345, 16721, 18055, 61387, 61795, 83605, 114139, 284257, 306935, 570695, 1421285, 1940363, 2625197, 9701815, 13125985, 44628349, 223141745]

約数ペア:

[(1, 223141745), (5, 44628349), (17, 13125985), (23, 9701815), (85, 2625197), (115, 1940363), (157, 1421285), (391, 570695), (727, 306935), (785, 284257), (1955, 114139), (2669, 83605), (3611, 61795), (3635, 61387), (12359, 18055), (13345, 16721)]