81793664

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{37589}}^1$

素因数の和:37620

約数の個数: 32

約数和(自身を含む): 172538100

約数和(自身を除く): 90744436

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 272, 544, 1088, 2176, 37589, 75178, 150356, 300712, 601424, 639013, 1202848, 1278026, 2405696, 2556052, 4811392, 5112104, 10224208, 20448416, 40896832, 81793664]

約数ペア:

[(1, 81793664), (2, 40896832), (4, 20448416), (8, 10224208), (16, 5112104), (17, 4811392), (32, 2556052), (34, 2405696), (64, 1278026), (68, 1202848), (128, 639013), (136, 601424), (272, 300712), (544, 150356), (1088, 75178), (2176, 37589)]