38913791

素因数分解:

$7^2\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{277}}^1$

素因数の和:399

約数の個数: 24

約数和(自身を含む): 47157696

約数和(自身を除く): 8243905

約数列:

[1, 7, 47, 49, 61, 277, 329, 427, 1939, 2303, 2867, 2989, 13019, 13573, 16897, 20069, 91133, 118279, 140483, 637931, 794159, 827953, 5559113, 38913791]

約数ペア:

[(1, 38913791), (7, 5559113), (47, 827953), (49, 794159), (61, 637931), (277, 140483), (329, 118279), (427, 91133), (1939, 20069), (2303, 16897), (2867, 13573), (2989, 13019)]