1872229751

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{353}}^1\times {\mathrm{12421}}^1$

素因数の和:12842

約数の個数: 16

約数和(自身を含む): 2181104448

約数和(自身を除く): 308874697

約数列:

[1, 7, 61, 353, 427, 2471, 12421, 21533, 86947, 150731, 757681, 4384613, 5303767, 30692291, 267461393, 1872229751]

約数ペア:

[(1, 1872229751), (7, 267461393), (61, 30692291), (353, 5303767), (427, 4384613), (2471, 757681), (12421, 150731), (21533, 86947)]