138890992

素因数分解:

$2^4\times {\mathrm{157}}^1\times {\mathrm{55291}}^1$

素因数の和:55456

約数の個数: 20

約数和(自身を含む): 270820216

約数和(自身を除く): 131929224

約数列:

[1, 2, 4, 8, 16, 157, 314, 628, 1256, 2512, 55291, 110582, 221164, 442328, 884656, 8680687, 17361374, 34722748, 69445496, 138890992]

約数ペア:

[(1, 138890992), (2, 69445496), (4, 34722748), (8, 17361374), (16, 8680687), (157, 884656), (314, 442328), (628, 221164), (1256, 110582), (2512, 55291)]