71978690

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{27791}}^1$

素因数の和:27842

約数の個数: 32

約数和(自身を含む): 152077824

約数和(自身を除く): 80099134

約数列:

[1, 2, 5, 7, 10, 14, 35, 37, 70, 74, 185, 259, 370, 518, 1295, 2590, 27791, 55582, 138955, 194537, 277910, 389074, 972685, 1028267, 1945370, 2056534, 5141335, 7197869, 10282670, 14395738, 35989345, 71978690]

約数ペア:

[(1, 71978690), (2, 35989345), (5, 14395738), (7, 10282670), (10, 7197869), (14, 5141335), (35, 2056534), (37, 1945370), (70, 1028267), (74, 972685), (185, 389074), (259, 277910), (370, 194537), (518, 138955), (1295, 55582), (2590, 27791)]