78529997

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:178

約数の個数: 48

約数和(自身を含む): 104493312

約数和(自身を除く): 25963315

約数列:

[1, 7, 13, 43, 47, 49, 61, 91, 301, 329, 427, 559, 611, 637, 793, 2021, 2107, 2303, 2623, 2867, 2989, 3913, 4277, 5551, 14147, 18361, 20069, 26273, 27391, 29939, 34099, 37271, 38857, 99029, 123281, 128527, 140483, 183911, 238693, 260897, 862967, 1287377, 1602653, 1670851, 1826279, 6040769, 11218571, 78529997]

約数ペア:

[(1, 78529997), (7, 11218571), (13, 6040769), (43, 1826279), (47, 1670851), (49, 1602653), (61, 1287377), (91, 862967), (301, 260897), (329, 238693), (427, 183911), (559, 140483), (611, 128527), (637, 123281), (793, 99029), (2021, 38857), (2107, 37271), (2303, 34099), (2623, 29939), (2867, 27391), (2989, 26273), (3913, 20069), (4277, 18361), (5551, 14147)]