31381776

素因数分解:

$2^4\times 3^3\times {\mathrm{72643}}^1$

素因数の和:72660

約数の個数: 40

約数和(自身を含む): 90078560

約数和(自身を除く): 58696784

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 108, 144, 216, 432, 72643, 145286, 217929, 290572, 435858, 581144, 653787, 871716, 1162288, 1307574, 1743432, 1961361, 2615148, 3486864, 3922722, 5230296, 7845444, 10460592, 15690888, 31381776]

約数ペア:

[(1, 31381776), (2, 15690888), (3, 10460592), (4, 7845444), (6, 5230296), (8, 3922722), (9, 3486864), (12, 2615148), (16, 1961361), (18, 1743432), (24, 1307574), (27, 1162288), (36, 871716), (48, 653787), (54, 581144), (72, 435858), (108, 290572), (144, 217929), (216, 145286), (432, 72643)]