91980470

素因数分解:

$2^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{66173}}^1$

素因数の和:66319

約数の個数: 16

約数和(自身を含む): 166758480

約数和(自身を除く): 74778010

約数列:

[1, 2, 5, 10, 139, 278, 695, 1390, 66173, 132346, 330865, 661730, 9198047, 18396094, 45990235, 91980470]

約数ペア:

[(1, 91980470), (2, 45990235), (5, 18396094), (10, 9198047), (139, 661730), (278, 330865), (695, 132346), (1390, 66173)]