81266128

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{2777}}^1$

素因数の和:2875

約数の個数: 40

約数和(自身を含む): 165346560

約数和(自身を除く): 84080432

約数列:

[1, 2, 4, 8, 16, 31, 59, 62, 118, 124, 236, 248, 472, 496, 944, 1829, 2777, 3658, 5554, 7316, 11108, 14632, 22216, 29264, 44432, 86087, 163843, 172174, 327686, 344348, 655372, 688696, 1310744, 1377392, 2621488, 5079133, 10158266, 20316532, 40633064, 81266128]

約数ペア:

[(1, 81266128), (2, 40633064), (4, 20316532), (8, 10158266), (16, 5079133), (31, 2621488), (59, 1377392), (62, 1310744), (118, 688696), (124, 655372), (236, 344348), (248, 327686), (472, 172174), (496, 163843), (944, 86087), (1829, 44432), (2777, 29264), (3658, 22216), (5554, 14632), (7316, 11108)]