81537144

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{261337}}^1$

素因数の和:261359

約数の個数: 32

約数和(自身を含む): 219523920

約数和(自身を除く): 137986776

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 261337, 522674, 784011, 1045348, 1568022, 2090696, 3136044, 3397381, 6272088, 6794762, 10192143, 13589524, 20384286, 27179048, 40768572, 81537144]

約数ペア:

[(1, 81537144), (2, 40768572), (3, 27179048), (4, 20384286), (6, 13589524), (8, 10192143), (12, 6794762), (13, 6272088), (24, 3397381), (26, 3136044), (39, 2090696), (52, 1568022), (78, 1045348), (104, 784011), (156, 522674), (312, 261337)]