218935188

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{233}}^1\times {\mathrm{607}}^1$

素因数の和:893

約数の個数: 72

約数和(自身を含む): 569657088

約数和(自身を除く): 350721900

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 129, 172, 233, 258, 387, 466, 516, 607, 699, 774, 932, 1214, 1398, 1548, 1821, 2097, 2428, 2796, 3642, 4194, 5463, 7284, 8388, 10019, 10926, 20038, 21852, 26101, 30057, 40076, 52202, 60114, 78303, 90171, 104404, 120228, 141431, 156606, 180342, 234909, 282862, 313212, 360684, 424293, 469818, 565724, 848586, 939636, 1272879, 1697172, 2545758, 5091516, 6081533, 12163066, 18244599, 24326132, 36489198, 54733797, 72978396, 109467594, 218935188]

約数ペア:

[(1, 218935188), (2, 109467594), (3, 72978396), (4, 54733797), (6, 36489198), (9, 24326132), (12, 18244599), (18, 12163066), (36, 6081533), (43, 5091516), (86, 2545758), (129, 1697172), (172, 1272879), (233, 939636), (258, 848586), (387, 565724), (466, 469818), (516, 424293), (607, 360684), (699, 313212), (774, 282862), (932, 234909), (1214, 180342), (1398, 156606), (1548, 141431), (1821, 120228), (2097, 104404), (2428, 90171), (2796, 78303), (3642, 60114), (4194, 52202), (5463, 40076), (7284, 30057), (8388, 26101), (10019, 21852), (10926, 20038)]