40991366

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{151}}^1\times {\mathrm{197}}^1$

素因数の和:416

約数の個数: 32

約数和(自身を含む): 68257728

約数和(自身を除く): 27266362

約数列:

[1, 2, 13, 26, 53, 106, 151, 197, 302, 394, 689, 1378, 1963, 2561, 3926, 5122, 8003, 10441, 16006, 20882, 29747, 59494, 104039, 135733, 208078, 271466, 386711, 773422, 1576591, 3153182, 20495683, 40991366]

約数ペア:

[(1, 40991366), (2, 20495683), (13, 3153182), (26, 1576591), (53, 773422), (106, 386711), (151, 271466), (197, 208078), (302, 135733), (394, 104039), (689, 59494), (1378, 29747), (1963, 20882), (2561, 16006), (3926, 10441), (5122, 8003)]