81894505

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{5749}}^1$

素因数の和:5809

約数の個数: 32

約数和(自身を含む): 125856000

約数和(自身を除く): 43961495

約数列:

[1, 5, 7, 11, 35, 37, 55, 77, 185, 259, 385, 407, 1295, 2035, 2849, 5749, 14245, 28745, 40243, 63239, 201215, 212713, 316195, 442673, 1063565, 1488991, 2213365, 2339843, 7444955, 11699215, 16378901, 81894505]

約数ペア:

[(1, 81894505), (5, 16378901), (7, 11699215), (11, 7444955), (35, 2339843), (37, 2213365), (55, 1488991), (77, 1063565), (185, 442673), (259, 316195), (385, 212713), (407, 201215), (1295, 63239), (2035, 40243), (2849, 28745), (5749, 14245)]