138504704

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{20809}}^1$

素因数の和:20840

約数の個数: 40

約数和(自身を含む): 298040820

約数和(自身を除く): 159536116

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 256, 416, 512, 832, 1664, 3328, 6656, 20809, 41618, 83236, 166472, 270517, 332944, 541034, 665888, 1082068, 1331776, 2164136, 2663552, 4328272, 5327104, 8656544, 10654208, 17313088, 34626176, 69252352, 138504704]

約数ペア:

[(1, 138504704), (2, 69252352), (4, 34626176), (8, 17313088), (13, 10654208), (16, 8656544), (26, 5327104), (32, 4328272), (52, 2663552), (64, 2164136), (104, 1331776), (128, 1082068), (208, 665888), (256, 541034), (416, 332944), (512, 270517), (832, 166472), (1664, 83236), (3328, 41618), (6656, 20809)]