340778879

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{4957}}^1$

素因数の和:5055

約数の個数: 24

約数和(自身を含む): 420517728

約数和(自身を除く): 79738849

約数列:

[1, 7, 23, 49, 61, 161, 427, 1127, 1403, 2989, 4957, 9821, 34699, 68747, 114011, 242893, 302377, 798077, 2116639, 5586539, 6954671, 14816473, 48682697, 340778879]

約数ペア:

[(1, 340778879), (7, 48682697), (23, 14816473), (49, 6954671), (61, 5586539), (161, 2116639), (427, 798077), (1127, 302377), (1403, 242893), (2989, 114011), (4957, 68747), (9821, 34699)]