1993277795

素因数分解:

$5^1\times {\mathrm{17}}^3\times {\mathrm{53}}^1\times {\mathrm{1531}}^1$

素因数の和:1640

約数の個数: 32

約数和(自身を含む): 2591040960

約数和(自身を除く): 597763165

約数列:

[1, 5, 17, 53, 85, 265, 289, 901, 1445, 1531, 4505, 4913, 7655, 15317, 24565, 26027, 76585, 81143, 130135, 260389, 405715, 442459, 1301945, 1379431, 2212295, 6897155, 7521803, 23450327, 37609015, 117251635, 398655559, 1993277795]

約数ペア:

[(1, 1993277795), (5, 398655559), (17, 117251635), (53, 37609015), (85, 23450327), (265, 7521803), (289, 6897155), (901, 2212295), (1445, 1379431), (1531, 1301945), (4505, 442459), (4913, 405715), (7655, 260389), (15317, 130135), (24565, 81143), (26027, 76585)]