201713519

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^2\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:180

約数の個数: 48

約数和(自身を含む): 263316480

約数和(自身を除く): 61602961

約数列:

[1, 7, 19, 23, 47, 61, 133, 161, 329, 427, 437, 529, 893, 1081, 1159, 1403, 2867, 3059, 3703, 6251, 7567, 8113, 9821, 10051, 20069, 20539, 24863, 26657, 32269, 54473, 65941, 70357, 143773, 174041, 186599, 225883, 381311, 461587, 472397, 613111, 1252879, 1516643, 3306779, 4291777, 8770153, 10616501, 28816217, 201713519]

約数ペア:

[(1, 201713519), (7, 28816217), (19, 10616501), (23, 8770153), (47, 4291777), (61, 3306779), (133, 1516643), (161, 1252879), (329, 613111), (427, 472397), (437, 461587), (529, 381311), (893, 225883), (1081, 186599), (1159, 174041), (1403, 143773), (2867, 70357), (3059, 65941), (3703, 54473), (6251, 32269), (7567, 26657), (8113, 24863), (9821, 20539), (10051, 20069)]