81138076

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{27749}}^1$

素因数の和:27813

約数の個数: 24

約数和(自身を含む): 153846000

約数和(自身を除く): 72707924

約数列:

[1, 2, 4, 17, 34, 43, 68, 86, 172, 731, 1462, 2924, 27749, 55498, 110996, 471733, 943466, 1193207, 1886932, 2386414, 4772828, 20284519, 40569038, 81138076]

約数ペア:

[(1, 81138076), (2, 40569038), (4, 20284519), (17, 4772828), (34, 2386414), (43, 1886932), (68, 1193207), (86, 943466), (172, 471733), (731, 110996), (1462, 55498), (2924, 27749)]