2511553

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{197}}^1$

素因数の和:288

約数の個数: 16

約数和(自身を含む): 2946240

約数和(自身を除く): 434687

約数列:

[1, 11, 19, 61, 197, 209, 671, 1159, 2167, 3743, 12017, 12749, 41173, 132187, 228323, 2511553]

約数ペア:

[(1, 2511553), (11, 228323), (19, 132187), (61, 41173), (197, 12749), (209, 12017), (671, 3743), (1159, 2167)]