1278690185

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{137}}^1\times {\mathrm{1091}}^1$

素因数の和:1321

約数の個数: 32

約数和(自身を含む): 1627516800

約数和(自身を除く): 348826615

約数列:

[1, 5, 29, 59, 137, 145, 295, 685, 1091, 1711, 3973, 5455, 8083, 8555, 19865, 31639, 40415, 64369, 149467, 158195, 234407, 321845, 747335, 1172035, 1866701, 4334543, 8818553, 9333505, 21672715, 44092765, 255738037, 1278690185]

約数ペア:

[(1, 1278690185), (5, 255738037), (29, 44092765), (59, 21672715), (137, 9333505), (145, 8818553), (295, 4334543), (685, 1866701), (1091, 1172035), (1711, 747335), (3973, 321845), (5455, 234407), (8083, 158195), (8555, 149467), (19865, 64369), (31639, 40415)]