90307855

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{971}}^1$

素因数の和:1095

約数の個数: 32

約数和(自身を含む): 125971200

約数和(自身を除く): 35663345

約数列:

[1, 5, 11, 19, 55, 89, 95, 209, 445, 971, 979, 1045, 1691, 4855, 4895, 8455, 10681, 18449, 18601, 53405, 86419, 92245, 93005, 202939, 432095, 950609, 1014695, 1641961, 4753045, 8209805, 18061571, 90307855]

約数ペア:

[(1, 90307855), (5, 18061571), (11, 8209805), (19, 4753045), (55, 1641961), (89, 1014695), (95, 950609), (209, 432095), (445, 202939), (971, 93005), (979, 92245), (1045, 86419), (1691, 53405), (4855, 18601), (4895, 18449), (8455, 10681)]