2221009921

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{311}}^1\times {\mathrm{997}}^1$

素因数の和:1369

約数の個数: 32

約数和(自身を含む): 2615558400

約数和(自身を除く): 394548479

約数列:

[1, 13, 19, 29, 247, 311, 377, 551, 997, 4043, 5909, 7163, 9019, 12961, 18943, 28913, 76817, 117247, 171361, 246259, 310067, 375869, 549347, 2227693, 4030871, 5891273, 7141511, 8991943, 76586549, 116895259, 170846917, 2221009921]

約数ペア:

[(1, 2221009921), (13, 170846917), (19, 116895259), (29, 76586549), (247, 8991943), (311, 7141511), (377, 5891273), (551, 4030871), (997, 2227693), (4043, 549347), (5909, 375869), (7163, 310067), (9019, 246259), (12961, 171361), (18943, 117247), (28913, 76817)]