7889035

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{661}}^1$

素因数の和:715

約数の個数: 32

約数和(自身を含む): 12201984

約数和(自身を除く): 4312949

約数列:

[1, 5, 7, 11, 31, 35, 55, 77, 155, 217, 341, 385, 661, 1085, 1705, 2387, 3305, 4627, 7271, 11935, 20491, 23135, 36355, 50897, 102455, 143437, 225401, 254485, 717185, 1127005, 1577807, 7889035]

約数ペア:

[(1, 7889035), (5, 1577807), (7, 1127005), (11, 717185), (31, 254485), (35, 225401), (55, 143437), (77, 102455), (155, 50897), (217, 36355), (341, 23135), (385, 20491), (661, 11935), (1085, 7271), (1705, 4627), (2387, 3305)]