31431686

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{103}}^1$

素因数の和:237

約数の個数: 48

約数和(自身を含む): 56932512

約数和(自身を除く): 25500826

約数列:

[1, 2, 11, 13, 22, 26, 97, 103, 121, 143, 194, 206, 242, 286, 1067, 1133, 1261, 1339, 1573, 2134, 2266, 2522, 2678, 3146, 9991, 11737, 12463, 13871, 14729, 19982, 23474, 24926, 27742, 29458, 109901, 129883, 152581, 162019, 219802, 259766, 305162, 324038, 1208911, 1428713, 2417822, 2857426, 15715843, 31431686]

約数ペア:

[(1, 31431686), (2, 15715843), (11, 2857426), (13, 2417822), (22, 1428713), (26, 1208911), (97, 324038), (103, 305162), (121, 259766), (143, 219802), (194, 162019), (206, 152581), (242, 129883), (286, 109901), (1067, 29458), (1133, 27742), (1261, 24926), (1339, 23474), (1573, 19982), (2134, 14729), (2266, 13871), (2522, 12463), (2678, 11737), (3146, 9991)]