820877178

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{131}}^1\times {\mathrm{263}}^1$

素因数の和:448

約数の個数: 96

約数和(自身を含む): 1911900672

約数和(自身を除く): 1091023494

約数列:

[1, 2, 3, 6, 11, 19, 22, 33, 38, 57, 66, 114, 131, 209, 262, 263, 361, 393, 418, 526, 627, 722, 786, 789, 1083, 1254, 1441, 1578, 2166, 2489, 2882, 2893, 3971, 4323, 4978, 4997, 5786, 7467, 7942, 8646, 8679, 9994, 11913, 14934, 14991, 17358, 23826, 27379, 29982, 34453, 47291, 54758, 54967, 68906, 82137, 94582, 94943, 103359, 109934, 141873, 164274, 164901, 189886, 206718, 283746, 284829, 329802, 378983, 520201, 569658, 654607, 757966, 1040402, 1044373, 1136949, 1309214, 1560603, 1963821, 2088746, 2273898, 3121206, 3133119, 3927642, 6266238, 7200677, 12437533, 14401354, 21602031, 24875066, 37312599, 43204062, 74625198, 136812863, 273625726, 410438589, 820877178]

約数ペア:

[(1, 820877178), (2, 410438589), (3, 273625726), (6, 136812863), (11, 74625198), (19, 43204062), (22, 37312599), (33, 24875066), (38, 21602031), (57, 14401354), (66, 12437533), (114, 7200677), (131, 6266238), (209, 3927642), (262, 3133119), (263, 3121206), (361, 2273898), (393, 2088746), (418, 1963821), (526, 1560603), (627, 1309214), (722, 1136949), (786, 1044373), (789, 1040402), (1083, 757966), (1254, 654607), (1441, 569658), (1578, 520201), (2166, 378983), (2489, 329802), (2882, 284829), (2893, 283746), (3971, 206718), (4323, 189886), (4978, 164901), (4997, 164274), (5786, 141873), (7467, 109934), (7942, 103359), (8646, 94943), (8679, 94582), (9994, 82137), (11913, 68906), (14934, 54967), (14991, 54758), (17358, 47291), (23826, 34453), (27379, 29982)]