28530229

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{569}}^1$

素因数の和:637

約数の個数: 32

約数和(自身を含む): 38304000

約数和(自身を除く): 9773771

約数列:

[1, 7, 13, 19, 29, 91, 133, 203, 247, 377, 551, 569, 1729, 2639, 3857, 3983, 7163, 7397, 10811, 16501, 50141, 51779, 75677, 115507, 140543, 214513, 313519, 983801, 1501591, 2194633, 4075747, 28530229]

約数ペア:

[(1, 28530229), (7, 4075747), (13, 2194633), (19, 1501591), (29, 983801), (91, 313519), (133, 214513), (203, 140543), (247, 115507), (377, 75677), (551, 51779), (569, 50141), (1729, 16501), (2639, 10811), (3857, 7397), (3983, 7163)]