71403128

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{3221}}^1$

素因数の和:3407

約数の個数: 32

約数和(自身を含む): 142670160

約数和(自身を除く): 71267032

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 163, 326, 652, 1304, 2771, 3221, 5542, 6442, 11084, 12884, 22168, 25768, 54757, 109514, 219028, 438056, 525023, 1050046, 2100092, 4200184, 8925391, 17850782, 35701564, 71403128]

約数ペア:

[(1, 71403128), (2, 35701564), (4, 17850782), (8, 8925391), (17, 4200184), (34, 2100092), (68, 1050046), (136, 525023), (163, 438056), (326, 219028), (652, 109514), (1304, 54757), (2771, 25768), (3221, 22168), (5542, 12884), (6442, 11084)]