31400369

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{127}}^1$

素因数の和:190

約数の個数: 48

約数和(自身を含む): 44974080

約数和(自身を除く): 13573711

約数列:

[1, 7, 11, 13, 19, 77, 91, 127, 133, 143, 169, 209, 247, 889, 1001, 1183, 1397, 1463, 1651, 1729, 1859, 2413, 2717, 3211, 9779, 11557, 13013, 16891, 18161, 19019, 21463, 22477, 26543, 31369, 35321, 127127, 150241, 185801, 219583, 236093, 247247, 345059, 407797, 1652651, 2415413, 2854579, 4485767, 31400369]

約数ペア:

[(1, 31400369), (7, 4485767), (11, 2854579), (13, 2415413), (19, 1652651), (77, 407797), (91, 345059), (127, 247247), (133, 236093), (143, 219583), (169, 185801), (209, 150241), (247, 127127), (889, 35321), (1001, 31369), (1183, 26543), (1397, 22477), (1463, 21463), (1651, 19019), (1729, 18161), (1859, 16891), (2413, 13013), (2717, 11557), (3211, 9779)]