219985486

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{223}}^1\times {\mathrm{2273}}^1$

素因数の和:2536

約数の個数: 32

約数和(自身を含む): 391200768

約数和(自身を除く): 171215282

約数列:

[1, 2, 7, 14, 31, 62, 217, 223, 434, 446, 1561, 2273, 3122, 4546, 6913, 13826, 15911, 31822, 48391, 70463, 96782, 140926, 493241, 506879, 986482, 1013758, 3548153, 7096306, 15713249, 31426498, 109992743, 219985486]

約数ペア:

[(1, 219985486), (2, 109992743), (7, 31426498), (14, 15713249), (31, 7096306), (62, 3548153), (217, 1013758), (223, 986482), (434, 506879), (446, 493241), (1561, 140926), (2273, 96782), (3122, 70463), (4546, 48391), (6913, 31822), (13826, 15911)]