71777615

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{2161}}^1$

素因数の和:2259

約数の個数: 32

約数和(自身を含む): 107511936

約数和(自身を除く): 35734321

約数列:

[1, 5, 7, 13, 35, 65, 73, 91, 365, 455, 511, 949, 2161, 2555, 4745, 6643, 10805, 15127, 28093, 33215, 75635, 140465, 157753, 196651, 788765, 983255, 1104271, 2050789, 5521355, 10253945, 14355523, 71777615]

約数ペア:

[(1, 71777615), (5, 14355523), (7, 10253945), (13, 5521355), (35, 2050789), (65, 1104271), (73, 983255), (91, 788765), (365, 196651), (455, 157753), (511, 140465), (949, 75635), (2161, 33215), (2555, 28093), (4745, 15127), (6643, 10805)]