661183453

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1\times {\mathrm{193}}^1$

素因数の和:445

約数の個数: 32

約数和(自身を含む): 789806592

約数和(自身を除く): 128623139

約数列:

[1, 7, 61, 71, 113, 193, 427, 497, 791, 1351, 4331, 6893, 8023, 11773, 13703, 21809, 30317, 48251, 56161, 82411, 95921, 152663, 489403, 835883, 1330349, 1548439, 3425821, 5851181, 9312443, 10839073, 94454779, 661183453]

約数ペア:

[(1, 661183453), (7, 94454779), (61, 10839073), (71, 9312443), (113, 5851181), (193, 3425821), (427, 1548439), (497, 1330349), (791, 835883), (1351, 489403), (4331, 152663), (6893, 95921), (8023, 82411), (11773, 56161), (13703, 48251), (21809, 30317)]