16977191

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{101}}^1$

素因数の和:215

約数の個数: 32

約数和(自身を含む): 22325760

約数和(自身を除く): 5348569

約数列:

[1, 7, 11, 37, 59, 77, 101, 259, 407, 413, 649, 707, 1111, 2183, 2849, 3737, 4543, 5959, 7777, 15281, 24013, 26159, 41107, 41713, 65549, 168091, 220483, 287749, 458843, 1543381, 2425313, 16977191]

約数ペア:

[(1, 16977191), (7, 2425313), (11, 1543381), (37, 458843), (59, 287749), (77, 220483), (101, 168091), (259, 65549), (407, 41713), (413, 41107), (649, 26159), (707, 24013), (1111, 15281), (2183, 7777), (2849, 5959), (3737, 4543)]