2781919

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{467}}^1$

素因数の和:534

約数の個数: 16

約数和(自身を含む): 3414528

約数和(自身を除く): 632609

約数列:

[1, 7, 23, 37, 161, 259, 467, 851, 3269, 5957, 10741, 17279, 75187, 120953, 397417, 2781919]

約数ペア:

[(1, 2781919), (7, 397417), (23, 120953), (37, 75187), (161, 17279), (259, 10741), (467, 5957), (851, 3269)]