208720012

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{421}}^1\times {\mathrm{3023}}^1$

素因数の和:3489

約数の個数: 24

約数和(自身を含む): 375181632

約数和(自身を除く): 166461620

約数列:

[1, 2, 4, 41, 82, 164, 421, 842, 1684, 3023, 6046, 12092, 17261, 34522, 69044, 123943, 247886, 495772, 1272683, 2545366, 5090732, 52180003, 104360006, 208720012]

約数ペア:

[(1, 208720012), (2, 104360006), (4, 52180003), (41, 5090732), (82, 2545366), (164, 1272683), (421, 495772), (842, 247886), (1684, 123943), (3023, 69044), (6046, 34522), (12092, 17261)]