12686990

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1\times {\mathrm{167}}^1$

素因数の和:352

約数の個数: 32

約数和(自身を含む): 23514624

約数和(自身を除く): 10827634

約数列:

[1, 2, 5, 10, 71, 107, 142, 167, 214, 334, 355, 535, 710, 835, 1070, 1670, 7597, 11857, 15194, 17869, 23714, 35738, 37985, 59285, 75970, 89345, 118570, 178690, 1268699, 2537398, 6343495, 12686990]

約数ペア:

[(1, 12686990), (2, 6343495), (5, 2537398), (10, 1268699), (71, 178690), (107, 118570), (142, 89345), (167, 75970), (214, 59285), (334, 37985), (355, 35738), (535, 23714), (710, 17869), (835, 15194), (1070, 11857), (1670, 7597)]