203220745

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{367}}^1\times {\mathrm{1217}}^1$

素因数の和:1609

約数の個数: 32

約数和(自身を含む): 301206528

約数和(自身を除く): 97985783

約数列:

[1, 5, 7, 13, 35, 65, 91, 367, 455, 1217, 1835, 2569, 4771, 6085, 8519, 12845, 15821, 23855, 33397, 42595, 79105, 110747, 166985, 446639, 553735, 2233195, 3126473, 5806307, 15632365, 29031535, 40644149, 203220745]

約数ペア:

[(1, 203220745), (5, 40644149), (7, 29031535), (13, 15632365), (35, 5806307), (65, 3126473), (91, 2233195), (367, 553735), (455, 446639), (1217, 166985), (1835, 110747), (2569, 79105), (4771, 42595), (6085, 33397), (8519, 23855), (12845, 15821)]