1277999735

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{155003}}^1$

素因数の和:155122

約数の個数: 16

約数和(自身を含む): 1640562336

約数和(自身を除く): 362562601

約数列:

[1, 5, 17, 85, 97, 485, 1649, 8245, 155003, 775015, 2635051, 13175255, 15035291, 75176455, 255599947, 1277999735]

約数ペア:

[(1, 1277999735), (5, 255599947), (17, 75176455), (85, 15035291), (97, 13175255), (485, 2635051), (1649, 775015), (8245, 155003)]