889955905

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1\times {\mathrm{1307}}^1$

素因数の和:1557

約数の個数: 32

約数和(自身を含む): 1157234688

約数和(自身を除く): 267278783

約数列:

[1, 5, 23, 31, 115, 155, 191, 713, 955, 1307, 3565, 4393, 5921, 6535, 21965, 29605, 30061, 40517, 136183, 150305, 202585, 249637, 680915, 931891, 1248185, 4659455, 5741651, 7738747, 28708255, 38693735, 177991181, 889955905]

約数ペア:

[(1, 889955905), (5, 177991181), (23, 38693735), (31, 28708255), (115, 7738747), (155, 5741651), (191, 4659455), (713, 1248185), (955, 931891), (1307, 680915), (3565, 249637), (4393, 202585), (5921, 150305), (6535, 136183), (21965, 40517), (29605, 30061)]