1990696

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{349}}^1$

素因数の和:409

約数の個数: 32

約数和(自身を含む): 4032000

約数和(自身を除く): 2041304

約数列:

[1, 2, 4, 8, 23, 31, 46, 62, 92, 124, 184, 248, 349, 698, 713, 1396, 1426, 2792, 2852, 5704, 8027, 10819, 16054, 21638, 32108, 43276, 64216, 86552, 248837, 497674, 995348, 1990696]

約数ペア:

[(1, 1990696), (2, 995348), (4, 497674), (8, 248837), (23, 86552), (31, 64216), (46, 43276), (62, 32108), (92, 21638), (124, 16054), (184, 10819), (248, 8027), (349, 5704), (698, 2852), (713, 2792), (1396, 1426)]