221435513

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{571}}^1\times {\mathrm{1297}}^1$

素因数の和:1904

約数の個数: 16

約数和(自身を含む): 249465216

約数和(自身を除く): 28029703

約数列:

[1, 13, 23, 299, 571, 1297, 7423, 13133, 16861, 29831, 170729, 387803, 740587, 9627631, 17033501, 221435513]

約数ペア:

[(1, 221435513), (13, 17033501), (23, 9627631), (299, 740587), (571, 387803), (1297, 170729), (7423, 29831), (13133, 16861)]