195820919

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1\times {\mathrm{157}}^1$

素因数の和:375

約数の個数: 32

約数和(自身を含む): 240746496

約数和(自身を除く): 44925577

約数列:

[1, 7, 23, 61, 127, 157, 161, 427, 889, 1099, 1403, 2921, 3611, 7747, 9577, 9821, 19939, 20447, 25277, 54229, 67039, 139573, 178181, 220271, 458597, 1216279, 1247267, 1541897, 3210179, 8513953, 27974417, 195820919]

約数ペア:

[(1, 195820919), (7, 27974417), (23, 8513953), (61, 3210179), (127, 1541897), (157, 1247267), (161, 1216279), (427, 458597), (889, 220271), (1099, 178181), (1403, 139573), (2921, 67039), (3611, 54229), (7747, 25277), (9577, 20447), (9821, 19939)]