28686490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{347}}^1\times {\mathrm{1181}}^1$

素因数の和:1542

約数の個数: 32

約数和(自身を含む): 59232384

約数和(自身を除く): 30545894

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 347, 694, 1181, 1735, 2362, 2429, 3470, 4858, 5905, 8267, 11810, 12145, 16534, 24290, 41335, 82670, 409807, 819614, 2049035, 2868649, 4098070, 5737298, 14343245, 28686490]

約数ペア:

[(1, 28686490), (2, 14343245), (5, 5737298), (7, 4098070), (10, 2868649), (14, 2049035), (35, 819614), (70, 409807), (347, 82670), (694, 41335), (1181, 24290), (1735, 16534), (2362, 12145), (2429, 11810), (3470, 8267), (4858, 5905)]