12428990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{277}}^1\times {\mathrm{641}}^1$

素因数の和:932

約数の個数: 32

約数和(自身を含む): 25700544

約数和(自身を除く): 13271554

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 277, 554, 641, 1282, 1385, 1939, 2770, 3205, 3878, 4487, 6410, 8974, 9695, 19390, 22435, 44870, 177557, 355114, 887785, 1242899, 1775570, 2485798, 6214495, 12428990]

約数ペア:

[(1, 12428990), (2, 6214495), (5, 2485798), (7, 1775570), (10, 1242899), (14, 887785), (35, 355114), (70, 177557), (277, 44870), (554, 22435), (641, 19390), (1282, 9695), (1385, 8974), (1939, 6410), (2770, 4487), (3205, 3878)]