11478215

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1$

素因数の和:263

約数の個数: 32

約数和(自身を含む): 16588800

約数和(自身を除く): 5110585

約数列:

[1, 5, 7, 31, 35, 71, 149, 155, 217, 355, 497, 745, 1043, 1085, 2201, 2485, 4619, 5215, 10579, 11005, 15407, 23095, 32333, 52895, 74053, 77035, 161665, 327949, 370265, 1639745, 2295643, 11478215]

約数ペア:

[(1, 11478215), (5, 2295643), (7, 1639745), (31, 370265), (35, 327949), (71, 161665), (149, 77035), (155, 74053), (217, 52895), (355, 32333), (497, 23095), (745, 15407), (1043, 11005), (1085, 10579), (2201, 5215), (2485, 4619)]